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Breadcrumb

  1. Home
  2. Climate Change Indicators

View the Indicators

EPA has developed more than 50 climate change indicators that show changes over time and include more than 100 figures as graphs and maps. View the indicators by selecting a topic area or search using the table below.

Browse Indicators by Topic

Icon GHG

Greenhouse Gases

Learn about the greenhouse gases that trap heat in the atmosphere. EPA’s indicators track emissions of these gases and their warming effects.

Icon Climate

Weather & Climate

Explore long-term changes in temperature, precipitation, and extreme weather events such as heat waves, hurricanes, floods, and droughts.

Icon Oceans

Oceans

Examine the warming of the world’s oceans, along with changes in sea level, coastal flooding, and ocean acidity.

Icon Snow

Snow & Ice

Discover trends in the Earth’s frozen features, including snow, ice sheets, glaciers, permafrost, and the freezing and thawing of oceans and lakes.

Icon Health

Health & Society

Explore how climate change is affecting human health, including changes in infectious diseases, heat- and cold-related deaths and hospitalizations, the agricultural growing season, and more.

Icon Ecosystems

Ecosystems

See how climate change is affecting ecosystems, including wildfires, lake and stream temperatures, plant growth, bird migrations, and more.

Search for an Indicator

You can use the table below to quickly find an indicator or figure of interest. Filter the list by topic or geographic coverage, search by keyword, or sort and browse by clicking any column in the top row of the table. Click the link in the "Indicator" column to navigate to a particular indicator. To find figures that include information on a particular state, enter the state name in the “Search” box.

Topic Indicator Figure Title Timeframe Geographic Coverage Type of Display Keywords States
       
Snow and Ice Alaskan River Ice Figure 1. Ice Breakup Dates for Three Alaskan Rivers 1896–2024 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; ice; river; fresh water Alaska
Snow and Ice Antarctic Sea Ice Figure 1. Antarctic Sea Ice Extent 1979–2024 Polar regions Barchart icon climate change; global warming; science; indicator; data; snow; ice; Antarctic; melt;  
Snow and Ice Arctic Glaciers Figure 1. Mass Balance of Arctic Glaciers 1945–2023 Polar regions Barchart icon climate change; global warming; science; indicator; data; glacier; ice; Arctic; melt; ocean;  
Snow and Ice Arctic Sea Ice Figure 1. Arctic Sea Ice Extent 1979–2024 Polar regions Barchart icon climate change; global warming; science; indicator; data; snow; ice; Arctic; melt; ocean Alaska
Snow and Ice Arctic Sea Ice Figure 2. Age of Arctic Sea Ice 1984–2024 Polar regions Barchart icon climate change; global warming; science; indicator; data; snow; ice; Arctic; melt; ocean Alaska
Snow and Ice Arctic Sea Ice Figure 3. Arctic Sea Ice Melt Season 1979–2023 Polar regions Barchart icon climate change; global warming; science; indicator; data; snow; ice; Arctic; melt; ocean Alaska
Greenhouse Gases Atmospheric Concentrations of Greenhouse Gases Figure 1. Atmospheric Concentrations of Carbon Dioxide  ~800,000 BCE–2023 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; global; atmosphere; concentration; carbon dioxide Alaska; Hawaii
Greenhouse Gases Atmospheric Concentrations of Greenhouse Gases Figure 2. Atmospheric Concentrations of Methane  ~800,000 BCE–2023 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; global; atmosphere; concentration; carbon dioxide Alaska; Hawaii
Greenhouse Gases Atmospheric Concentrations of Greenhouse Gases Figure 3. Atmospheric Concentrations of Nitrous Oxide  ~800,000 BCE–2023 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; global; atmosphere; concentration; carbon dioxide Alaska; Hawaii
Greenhouse Gases Atmospheric Concentrations of Greenhouse Gases Figure 4. Atmospheric Concentrations of Selected Halogenated Gases 1978–2022 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; global; atmosphere; concentration; carbon dioxide  
Greenhouse Gases Atmospheric Concentrations of Greenhouse Gases Figure 5. Atmospheric Concentrations of Ozone 1979–2020 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; global; atmosphere; concentration; carbon dioxide  
Ecosystems Bird Wintering Ranges Figure 1. Change in Latitude of Bird Center of Abundance 1966–2013 North America Barchart icon climate change; global warming; science; indicator; data; ecosystem; bird; range; migration  
Ecosystems Bird Wintering Ranges Figure 2. Change in Distance to Coast of Bird Center of Abundance 1966–2013 North America Barchart icon climate change; global warming; science; indicator; data; ecosystem; bird; range; migration  
Ecosystems Black Guillemot Figure 1. Black Guillemot Breeding Pairs 1972–2023 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; ecosystem; bird; breeding Alaska
Ecosystems Cherry Blossom Bloom Dates in Washington, D.C. Figure 1. Peak Bloom Date for Cherry Trees 1921–2024 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; bloom; ecosystem; flower District of Columbia; DC
Greenhouse Gases Climate Forcing Figure 1. Radiative Forcing Caused by Greenhouse Gases 1979–2023 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; climate; forcing; carbon dioxide; AGGI  
Greenhouse Gases Climate Forcing Figure 2. Radiative Forcing Caused by Human Activities 1750–2011 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; climate; forcing; carbon dioxide; AGGI  
Oceans Coastal Flooding Figure 1. Frequency of Flooding 1950–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ocean; flooding; coast; Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Jersey; New York; Pennsylvania; Rhode Island; Florida; Georgia; North Carolina; South Carolina; Virginia; Texas; Washington; California
Oceans Coastal Flooding Figure 2. Number of Coastal Flood Events 1950–2023 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; ocean; flooding; coast; Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Jersey; New York; Pennsylvania; Rhode Island; Florida; Georgia; North Carolina; South Carolina; Virginia; Texas; Washington; California
Oceans Coastal Land Loss Figure 1. Land Loss Along the Atlantic Coast 1996–2011 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; sea level; rise; Atlantic; coast  
Oceans Coastal Land Loss Figure 2. Land Submergence Along the Atlantic Coast 1996–2011 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; sea level; rise; Atlantic; coast  
Health and Society Cold-Related Deaths Figure 1. Deaths Classified as Cold-Related 1979–2016 U.S. Barchart icon climate change; global warming; science; indicator; data; society; health; cold; mortality; death  
Weather and Climate Drought Figure 1. Drought Conditions - Palmer Index 1895–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; drought; dry; extreme  
Weather and Climate Drought Figure 2. Drought Conditions - SPEI 1900-2023 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; drought; dry; extreme  
Weather and Climate Drought Figure 3. Change in Drought (Five-Year SPEI) 1900–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; weather; climate; drought; dry; extreme Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Weather and Climate Drought Figure 4. U.S. Lands Under Drought Conditions 2000–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; drought; dry; extreme  
Snow and Ice Freeze-Thaw Conditions Figure 1. Number of Unfrozen Days in the U.S. 1979–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; freeze; thaw; fresh water  
Snow and Ice Freeze-Thaw Conditions Figure 2. Number of Unfrozen Days in Alaska 1979–2023 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; freeze; thaw; fresh water Alaska
Snow and Ice Freeze-Thaw Conditions Figure 3. Total Change in Unfrozen Days 1979–2023 North America Globe icon climate change; global warming; science; indicator; data; freeze; thaw; fresh water Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska
Snow and Ice Glacier National Park Figure 1. Total Glacier Surface Area 1966–2015 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; glacier; snow; ice; melt; fresh water Montana
Snow and Ice Glacier National Park Figure 2. Change in Glacier Surface Area 1966–2015 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; glacier; snow; ice; melt; fresh water Montana
Snow and Ice Glaciers Figure 1. Cumulative Mass Balance of "Reference" Glaciers Worldwide 1956–2023 Global Barchart icon climate change; global warming; science; indicator; data; snow; ice; glacier; mountain; melt; fresh water Washington; Alaska
Snow and Ice Glaciers Figure 2. Cumulative Mass Balance of Four U.S. Glaciers 1952–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; snow; ice; glacier; mountain; melt; fresh water  
Greenhouse Gases Global Greenhouse Gas Emissions Figure 1. Greenhouse Gas Emissions by Gas 1990–2015 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; global; emission; carbon dioxide  
Greenhouse Gases Global Greenhouse Gas Emissions Figure 2. Greenhouse Gas Emissions by Sector 1990–2015 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; global; emission; carbon dioxide  
Greenhouse Gases Global Greenhouse Gas Emissions Figure 3. Carbon Dioxide Emissions by Region 1990–2021 Global Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; global; emission; carbon dioxide  
Snow and Ice Great Lakes Ice Cover Figure 1. Maximum Ice-Covered Area 1973–2020 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; ice; fresh water; freeze; thaw; lake New York; Pennsylvania; Illinois; Indiana; Michigan; Minnesota; Ohio; Wisconsin
Snow and Ice Great Lakes Ice Cover Figure 2. Duration of Ice Cover 1973–2020 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; ice; fresh water; freeze; thaw; lake New York; Pennsylvania; Illinois; Indiana; Michigan; Minnesota; Ohio; Wisconsin
Snow and Ice Great Lakes Ice Cover Figure 3. Change in Ice Cover Duration 1973–2019 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ice; fresh water; freeze; thaw; lake New York; Pennsylvania; Illinois; Indiana; Michigan; Minnesota; Ohio; Wisconsin
Ecosystems Great Lakes Water Levels and Temperatures Figure 1. Water Levels 1860–2023 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; ecosystem; depth; water; level; temperature; lake; fresh water New York; Pennsylvania; Illinois; Indiana; Michigan; Minnesota; Ohio; Wisconsin
Ecosystems Great Lakes Water Levels and Temperatures Figure 2. Surface Water Temperatures 1995–2023 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; ecosystem; depth; water; level; temperature; lake; fresh water New York; Pennsylvania; Illinois; Indiana; Michigan; Minnesota; Ohio; Wisconsin
Health and Society Growing Degree Days Figure 1. Change in Growing Degree Days 1948–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; growing; ecosystem; health; pollen; plant Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; California; Colorado; Nevada; New Mexico; Utah
Weather and Climate Heat Waves Figure 1. Heat Wave Characteristics by Decade 1961–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; temperature; heat; health  
Weather and Climate Heat Waves Figure 2. Heat Wave Characteristics in Large Cities 1961–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; temperature; heat; health Connecticut; Maryland; Massachusetts; New York; Pennsylvania; Rhode Island; Alabama; Florida; Georgia; Kentucky; Louisiana; North Carolina; Tennessee; Virginia; Illinois; Indiana; Michigan; Missouri; Ohio; Wisconsin; Oklahoma; Texas; Oregon; Washington; Arizona; California; Nevada; New Mexico; Utah; Hawaii; U.S. Caribbean
Weather and Climate Heat Waves Figure 3. Heat Wave Index 1961–2021 U.S. Barchart icon climate change; global warming; science; indicator; data; temperature; heat; health  
Health and Society Heating and Cooling Degree Days Figure 1. Heating and Cooling Degree Days 1895–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; society; energy; heat; air conditioning  
Health and Society Heating and Cooling Degree Days Figure 2. Change in Heating Degree Days 1895–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; society; energy; heat; air conditioning Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Health and Society Heating and Cooling Degree Days Figure 3. Change in Cooling Degree Days 1895–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; society; energy; heat; air conditioning Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Health and Society Heat-Related Deaths Figure 1. Deaths Classified as "Heat-Related" 1979–2022 U.S. Barchart icon climate change; global warming; science; indicator; data; society; health; heat; mortality; death  
Health and Society Heat-Related Deaths Figure 2. Summer Deaths Due to Heat and Cardiovascular Disease 1999–2022 U.S. Barchart icon climate change; global warming; science; indicator; data; society; health; heat; mortality; death  
Health and Society Heat-Related Illnesses Figure 1. Heat-Related Hospitalizations 2001–2010 U.S. Barchart icon climate change; global warming; science; indicator; data; society; health; heat; illness;  
Health and Society Heat-Related Illnesses Figure 2. Rate of Heat-Related Hospitalizations 2001–2010 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; society; health; heat; illness; Connecticut; Maine; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Vermont; Florida; Louisiana; North Carolina; South Carolina; Tennessee; Iowa; Minnesota; Missouri; Wisconsin; Kansas; Oregon; Washington; California; New Mexico; Utah
Health and Society Heat-Related Illnesses Figure 3. Heat-Related Hospitalizations by Sex and Age 2001–2010 U.S. Barchart icon climate change; global warming; science; indicator; data; society; health; heat; illness;  
Health and Society Heat-Related Workplace Deaths Figure 1. Heat-Related Workplace Deaths in the United States 1992-2022 U.S. Barchart icon climate change; global warming; science; indicator; data; society; health; heat; illness;  
Weather and Climate Heavy Precipitation Figure 1. Extreme One-Day Precipitation Events 1910–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; heavy; precipitation; rain; fresh water  
Weather and Climate Heavy Precipitation Figure 2. Unusually High Annual Precipitation 1895–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; heavy; precipitation; rain; fresh water  
Weather and Climate High and Low Temperatures Figure 1. Unusually Hot Summer Temperatures 1910–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; temperature; record; heat.  
Weather and Climate High and Low Temperatures Figure 2. Unusually Cold Winter Temperatures 1911–2024 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; temperature; record; heat.  
Weather and Climate High and Low Temperatures Figure 3. Change in Unusually Hot Temperatures 1948–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; weather; climate; temperature; record; heat. Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Weather and Climate High and Low Temperatures Figure 4. Change in Unusually Cold Temperatures 1948–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; weather; climate; temperature; record; heat. Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Weather and Climate High and Low Temperatures Figure 5. Record Daily Temperatures 1950–2009 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; temperature; record; heat.  
Snow and Ice Ice Sheets Figure 1. Cumulative Mass Balance of Greenland and Antarctica 1992–2023 Polar regions Barchart icon climate change; global warming; science; indicator; data; snow; ice; melt; fresh water  
Snow and Ice Lake Ice Figure 1. Date of First Freeze for Selected Lakes 1850–2019 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; snow; ice; lake; freeze; thaw; fresh water New York; Minnesota; Wisconsin
Snow and Ice Lake Ice Figure 2. Date of Ice Thaw for Selected Lakes 1840–2019 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; snow; ice; lake; freeze; thaw; fresh water Maine; New York; Minnesota; Wisconsin
Snow and Ice Lake Ice Figure 3. Change in Ice Thaw Dates for Selected Lakes 1905–2019 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; snow; ice; lake; freeze; thaw; fresh water Maine; New York; Minnesota; Wisconsin
Ecosystems Lake Temperature Figure 1. Change in Summer Surface Water Temperatures of Lakes 1985–2009 North America Globe icon climate change; global warming; science; indicator; data; ecosystem; water; lake; temperature; fresh water New York; Pennsylvania; Florida; Illinois; Indiana; Michigan; Minnesota; Ohio; Wisconsin; California; Nevada; Utah; Alaska
Ecosystems Leaf and Bloom Dates Figure 1. First Leaf and Bloom Dates in the Contiguous United States 1900–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; ecosystem; leaf; bloom; phenology  
Ecosystems Leaf and Bloom Dates Figure 2. First Leaf and Bloom Dates in Alaska 1950-2023 Alaska Barchart icon climate change; global warming; science; indicator; data; ecosystem; leaf; bloom; phenology  
Ecosystems Leaf and Bloom Dates Figure 3. Change in First Leaf Date 1951–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; leaf; bloom; phenology Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska
Ecosystems Leaf and Bloom Dates Figure 4. Change in First Bloom Date 1951–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; leaf; bloom; phenology Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska
Health and Society Length of Growing Season Figure 1. Length of Growing Season 1895–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; society; growing; season; agriculture  
Health and Society Length of Growing Season Figure 2. Length of Growing Season, Western vs. Eastern U.S. 1895–2023 U.S. by region Barchart icon climate change; global warming; science; indicator; data; society; growing; season; agriculture  
Health and Society Length of Growing Season Figure 3. Change in Length of Growing Season 1895–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; society; growing; season; agriculture Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Health and Society Length of Growing Season Figure 4. Timing of Last Spring Frost and First Fall Frost 1895–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; society; growing; season; agriculture  
Health and Society Length of Growing Season Figure 5. Change in Timing of Last Spring Frost 1895–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; society; growing; season; agriculture Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Health and Society Length of Growing Season Figure 6. Change in Timing of First Fall Frost 1895–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; society; growing; season; agriculture Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Health and Society Lyme Disease Figure 1. Lyme Disease Cases 1992–2022 U.S. Barchart icon climate change; global warming; science; indicator; data; society; health; Lyme; tick  
Health and Society Lyme Disease Figure 2. Lyme Disease Cases by State 2022 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; society; health; Lyme; tick Connecticut; Delaware; Maine; Maryland; Massachusetts; Minnesota; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; Virginia; West Virginia; Wisconsin
Health and Society Lyme Disease Figure 3. Change in Lyme Disease Incidence 1996–2022 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; society; health; Lyme; tick Connecticut; Delaware; Maine; Maryland; Massachusetts; Minnesota; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; Virginia; West Virginia; Wisconsin
Oceans Marine Heat Waves Figure 1. Change in Annual Cumulative Intensity of Marine Heat Waves 1982–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ocean; heat; warmer  
Oceans Marine Heat Waves Figure 2. Change in Cumulative Intensity of Marine Heat Waves by Season 1982-2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ocean; heat; warmer  
Oceans Marine Heat Waves Figure 3. Areas Affected by Marine Heat Waves by U.S. Coastal Region 1982-2023 U.S. by region Barchart icon climate change; global warming; science; indicator; data; ocean; heat; warmer  
Oceans Marine Heat Waves Figure 4. Marine Heat Wave Intensity and Duration at Five Marine Protected Areas 1982-2023 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; ocean; heat; warmer  
Ecosystems Marine Species Distribution Figure 1. Change in Latitude and Depth of Marine Species 1974–2022 U.S. by region Barchart icon climate change; global warming; science; indicator; data; ecosystem; shellfish; fish; marine species; distribution; depth; Alaska
Ecosystems Marine Species Distribution Figure 2. Location of Fish and Shellfish Species, Northeast U.S. 1974–2022 U.S. by region Globe icon climate change; global warming; science; indicator; data; ecosystem; shellfish; fish; marine species; distribution; depth; Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Rhode Island; Virginia
Ecosystems Marine Species Distribution Figure 3. Location of Fish and Shellfish Species, Bering Sea 1985–2022 U.S. by region Globe icon climate change; global warming; science; indicator; data; ecosystem; shellfish; fish; marine species; distribution; depth; Alaska
Ecosystems Marine Species Distribution Figure 4. Location of Fish Species, Southeast 1989–2019 U.S. by region Globe icon climate change; global warming; science; indicator; data; ecosystem; shellfish; fish; marine species; distribution; depth; Florida; Georgia; North Carolina; South Carolina
Oceans Ocean Acidity Figure 1. Ocean Carbon Dioxide Levels and Acidity 1983–2022 Global Barchart icon climate change; global warming; science; indicator; data; ocean; acidity; acidification; coral; pH Hawaii
Oceans Ocean Acidity Figure 2. Changes in Aragonite Saturation of Oceans 1880–2015 Global Globe icon climate change; global warming; science; indicator; data; ocean; acidity; acidification; coral; pH Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Rhode Island; Alabama; Florida; Georgia; Louisiana; Mississippi; North Carolina; South Carolina; Virginia; Texas; Oregon; Washington; California; Alaska; Hawaii; U.S. Caribbean
Oceans Ocean Heat Figure 1. Heat Content in Top 700 Meters of Oceans 1955–2023 Global Barchart icon climate change; global warming; science; indicator; data; ocean; heat; warmer  
Oceans Ocean Heat Figure 2. Heat Content in Top 2,000 Meters of Oceans 1955–2023 Global Barchart icon climate change; global warming; science; indicator; data; ocean; heat; warmer  
Snow and Ice Permafrost Figure 1. Permafrost Temperatures 1978–2023 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; permafrost; freeze; thaw; temperature Alaska
Snow and Ice Permafrost Figure 2. Changes in Permafrost Temperatures 1978–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; permafrost; freeze; thaw; temperature Alaska
Health and Society Ragweed Pollen Season Figure 1. Change in Ragweed Pollen Season 1995–2015 North America Globe icon climate change; global warming; science; indicator; data; society; health; ragweed; pollen; allergy Arkansas; Minnesota; Missouri; Wisconsin; Nebraska; North Dakota; Oklahoma; Texas
Health and Society Residential Energy Use Figure 1. Residential Summer Electricity Use and Summer Cooling Degree Days 1973–2024 U.S. Barchart icon climate change; global warming; science; indicator; data; electricity; energy; natural gas; temperature; season  
Health and Society Residential Energy Use Figure 2. Residential Winter Natural Gas Use and Winter Heating Degree Days 1974–2024 U.S. Barchart icon climate change; global warming; science; indicator; data; electricity; energy; natural gas; temperature; season  
Weather and Climate River Flooding Figure 1. Change in the Magnitude of River Flooding 1965–2015 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; weather; climate; river; flooding; fresh water Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska; Hawaii
Weather and Climate River Flooding Figure 2. Change in the Frequency of River Flooding 1965–2015 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; weather; climate; river; flooding; fresh water Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska; Hawaii
Oceans Sea Level Figure 1. Absolute Sea Level Change 1880–2023 Global Barchart icon climate change; global warming; science; indicator; data; ocean; sea level; rise  
Oceans Sea Level Figure 2. Relative Sea Level Change 1960–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ocean; sea level; rise Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Jersey; New York; Pennsylvania; Rhode Island; Florida; Georgia; Louisiana; North Carolina; South Carolina; Virginia; Texas; Oregon; Washington; California; Alaska; Hawaii; U.S. Caribbean
Oceans Sea Surface Temperature Figure 1. Sea Surface Temperature 1880–2023 Global Barchart icon climate change; global warming; science; indicator; data; ocean; sea; surface; temperature  
Oceans Sea Surface Temperature Figure 2. Change in Sea Surface Temperature 1901–2022 Global Globe icon climate change; global warming; science; indicator; data; ocean; sea; surface; temperature Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Rhode Island; Alabama; Florida; Georgia; Louisiana; Mississippi; North Carolina; South Carolina; Virginia; Texas; Oregon; Washington; California; Alaska; Hawaii; U.S. Caribbean
Weather and Climate Seasonal Temperature Figure 1. Annual Temperatures by Season 1896–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; temperature; season  
Weather and Climate Seasonal Temperature Figure 2. Change in Seasonal Temperatures by State 1896–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; temperature; season Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Weather and Climate Seasonal Temperature Figure 3. Change in Temperatures by Season 1896–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; temperature; season  
Snow and Ice Snow Cover Figure 1. Snow-Covered Area 1972–2023 North America Barchart icon climate change; global warming; science; indicator; data; snow; ice; cover; extent; fresh water  
Snow and Ice Snow Cover Figure 2. Snow-Covered Area by Season 1972–2023 North America Barchart icon climate change; global warming; science; indicator; data; snow; ice; cover; extent; fresh water  
Snow and Ice Snow Cover Figure 3. Length of Snow Cover Season 1972–2013 U.S. Barchart icon climate change; global warming; science; indicator; data; snow; ice; cover; extent; fresh water  
Snow and Ice Snowfall Figure 1. Change in Total Snowfall 1930–2007 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; snow; ice; precipitation; snowfall; fresh water Maine; Maryland; Massachusetts; New; Hampshire; New Jersey; New York; Pennsylvania; Vermont; West Virginia; Arkansas; Kentucky; North Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Snow and Ice Snowfall Figure 2. Change in Snow-to-Precipitation Ratio 1949–2024 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; snow; ice; precipitation; snowfall; fresh water Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; South Dakota; Wyoming; Kansas; Idaho; Oregon; Washington; California; Colorado; Nevada; Utah
Snow and Ice Snowpack Figure 1. Trends in April Snowpack 1955–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; snow; ice; snowpack; mountain; depth; fresh water Montana; South Dakota; Wyoming; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Snow and Ice Snowpack Figure 2. Change in Peak Snowpack Timing 1982–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; snow; ice; snowpack; mountain; depth; fresh water Montana; Wyoming; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Snow and Ice Snowpack Figure 3. Date of Peak Snowpack 1982–2023 U.S. by region Barchart icon climate change; global warming; science; indicator; data; snow; ice; snowpack; mountain; depth; fresh water  
Snow and Ice Snowpack Figure 4. Change in Snowpack Season Length 1982–2023 U.S. by region Barchart icon climate change; global warming; science; indicator; data; snow; ice; snowpack; mountain; depth; fresh water Montana; Wyoming; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah
Ecosystems Stream Temperature Figure 1. Changes in Stream Water Temperatures 1960–2014 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; stream; water; temperature; fresh water Delaware; Maryland; Pennsylvania; Virginia
Ecosystems Streamflow Figure 1. Seven-Day Low Streamflows 1940–2022 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; streamflow; water; snowmelt; fresh water Connecticut; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; Tennessee; Virginia; Illinois; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; North Dakota; South Dakota; Kansas; Texas; Idaho; Oregon; Washington; California; Nevada; New Mexico; Utah; Alaska; Hawaii
Ecosystems Streamflow Figure 2. Three-Day High Streamflows 1940–2022 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; streamflow; water; snowmelt; fresh water Connecticut; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; Tennessee; Virginia; Illinois; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; North Dakota; South Dakota; Kansas; Texas; Idaho; Oregon; Washington; California; Nevada; New Mexico; Utah; Alaska; Hawaii
Ecosystems Streamflow Figure 3. Annual Average Streamflow 1940–2022 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; streamflow; water; snowmelt; fresh water Connecticut; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; Tennessee; Virginia; Illinois; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; North Dakota; South Dakota; Kansas; Texas; Idaho; Oregon; Washington; California; Nevada; New Mexico; Utah; Alaska; Hawaii
Ecosystems Streamflow Figure 4. Timing of Winter-Spring Runoff 1940–2022 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; streamflow; water; snowmelt; fresh water Connecticut; Maine; Massachusetts; New Hampshire; New York; Vermont; Michigan; Montana; Idaho; Oregon; Washington; California; Nevada; New Mexico; Utah
Ecosystems Streamflow Figure 5. Number of Days with Very Low Streamflow 1940–2022 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; streamflow; water; snowmelt; fresh water Connecticut; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; Tennessee; Virginia; Illinois; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; North Dakota; South Dakota; Kansas; Texas; Idaho; Oregon; Washington; California; Nevada; New Mexico; Utah; Alaska; Hawaii
Weather and Climate Temperature and Drought in the Southwest Figure 1. Change in Average Temperatures 2000–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; temperature; drought Arizona; California; Colorado; Nevada; New Mexico; Utah
Weather and Climate Temperature and Drought in the Southwest Figure 2. Southwestern Lands Under Drought Conditions 2000–2023 U.S. by region Barchart icon climate change; global warming; science; indicator; data; temperature; drought  
Weather and Climate Temperature and Drought in the Southwest Figure 3. Drought Severity 1895–2023 U.S. by region Barchart icon climate change; global warming; science; indicator; data; temperature; drought  
Ecosystems Tribal Connection: Trends in Stream Temperature in the Snake River Figure 1. August Water Temperatures 1960–2022 U.S. by state, site, or map grid Barchart icon climate change; global warming; science; indicator; data; ecosystem; stream; water; temperature; salmon; Snake River; Washington
Weather and Climate Tropical Cyclone Activity Figure 1. Number of Hurricanes 1878–2022 U.S. by region Barchart icon climate change; global warming; science; indicator; data; weather; climate; hurricane; storm; extreme  
Weather and Climate Tropical Cyclone Activity Figure 2. Tropical Cyclone Activity - ACE Index 1950–2022 U.S. by region Barchart icon climate change; global warming; science; indicator; data; weather; climate; hurricane; storm; extreme  
Weather and Climate Tropical Cyclone Activity Figure 3. Tropical Cyclone Activity - PDI 1949–2022 U.S. by region Barchart icon climate change; global warming; science; indicator; data; weather; climate; hurricane; storm; extreme  
Weather and Climate U.S. and Global Precipitation Figure 1. Precipitation in the U.S. 1901–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; precipitation; trend; rain; fresh water  
Weather and Climate U.S. and Global Precipitation Figure 2. Precipitation Worldwide 1901–2023 Global Barchart icon climate change; global warming; science; indicator; data; weather; climate; precipitation; trend; rain; fresh water  
Weather and Climate U.S. and Global Precipitation Figure 3. Change in Precipitation 1901–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; weather; climate; precipitation; trend; rain; fresh water Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska
Weather and Climate U.S. and Global Temperature Figure 1. Temperatures in the U.S. 1901–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; weather; climate; temperature; warmer; trend  
Weather and Climate U.S. and Global Temperature Figure 2. Temperatures Worldwide 1901–2023 Global Barchart icon climate change; global warming; science; indicator; data; weather; climate; temperature; warmer; trend  
Weather and Climate U.S. and Global Temperature Figure 3. Rate of Temperature Change 1901–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; weather; climate; temperature; warmer; trend Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska
Greenhouse Gases U.S. Greenhouse Gas Emissions Figure 1. Greenhouse Gas Emissions by Gas 1990–2022 U.S. Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; U.S.; United States; emission; carbon dioxide  
Greenhouse Gases U.S. Greenhouse Gas Emissions Figure 2. Greenhouse Gas Emissions and Sinks by Sector 1990–2022 U.S. Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; U.S.; United States; emission; carbon dioxide  
Greenhouse Gases U.S. Greenhouse Gas Emissions Figure 3. Greenhouse Gas Emissions per Capita and per Dollar of GDP 1990–2022 U.S. Barchart icon climate change; global warming; science; indicator; data; greenhouse gas; U.S.; United States; emission; carbon dioxide  
Health and Society West Nile Virus Figure 1. West Nile Neuroinvasive Disease Cases 2002–2023 U.S. Barchart icon climate change; global warming; science; indicator; data; society; health; West Nile; mosquito;  
Health and Society West Nile Virus Figure 2. West Nile Neuroinvasive Disease Cases by State 2002–2023 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; society; health; West Nile; mosquito; Connecticut; Delaware; District of Columbia; DC; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska; Hawaii
Ecosystems Wildfires Figure 1. Wildfire Frequency 1983–2022 U.S. Barchart icon climate change; global warming; science; indicator; data; ecosystem; fire; forest  
Ecosystems Wildfires Figure 2. Wildfire Extent 1983–2022 U.S. Barchart icon climate change; global warming; science; indicator; data; ecosystem; fire; forest  
Ecosystems Wildfires Figure 3. Wildfire Damage 1984–2021 U.S. Barchart icon climate change; global warming; science; indicator; data; ecosystem; fire; forest  
Ecosystems Wildfires Figure 4. Burned Area by State 1984–2021 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; fire; forest Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska; Hawaii
Ecosystems Wildfires Figure 5. Change in Burned Area by State 1984–2021 U.S. by state, site, or map grid Globe icon climate change; global warming; science; indicator; data; ecosystem; fire; forest Connecticut; Delaware; Maine; Maryland; Massachusetts; New Hampshire; New Jersey; New York; Pennsylvania; Rhode Island; Vermont; West Virginia; Alabama; Arkansas; Florida; Georgia; Kentucky; Louisiana; Mississippi; North Carolina; South Carolina; Tennessee; Virginia; Illinois; Indiana; Iowa; Michigan; Minnesota; Missouri; Ohio; Wisconsin; Montana; Nebraska; North Dakota; South Dakota; Wyoming; Kansas; Oklahoma; Texas; Idaho; Oregon; Washington; Arizona; California; Colorado; Nevada; New Mexico; Utah; Alaska; Hawaii
Ecosystems Wildfires Figure 6. Change in Burned Area, U.S. 1984–2021 U.S. Barchart icon climate change; global warming; science; indicator; data; ecosystem; fire; forest  
Ecosystems Wildfires Figure 7. Change in Burned Area, Western vs. Eastern U.S. 1984–2021 U.S. by region Barchart icon climate change; global warming; science; indicator; data; ecosystem; fire; forest  

Climate Change Indicators

  • View the Indicators
    • Greenhouse Gases
      • U.S. Greenhouse Gas Emissions
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      • Climate Forcing
    • Weather and Climate
      • U.S. and Global Temperature
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      • A Closer Look: Glaciers in Glacier National Park
      • Lake Ice
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    • Health and Society
      • Heat-Related Deaths
      • A Closer Look: Heat-Related Workplace Deaths
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      • Lyme Disease
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      • Length of Growing Season
      • Growing Degree Days
      • Ragweed Pollen Season
    • Ecosystems
      • Wildfires
      • Streamflow
      • Stream Temperature
      • Tribal Connection: Trends in Stream Temperature in the Snake River
      • Lake Temperature
      • Great Lakes Water Levels and Temperatures
      • Bird Wintering Ranges
      • A Closer Look: The Black Guillemots of Cooper Island
      • Marine Species Distribution
      • Leaf and Bloom Dates
      • Community Connection: Cherry Blossom Bloom Dates in Washington, D.C.
  • Dig into the Data
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  • Indicator Stories
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Last updated on January 17, 2025
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