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  2. Greenhouse Gas Emissions

Learn more about Official State Greenhouse Gas Inventories

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Across the United States, many states are developing and publishing state-level GHG inventories on a regular basis. EPA's state-level data does not replace official state data but is intended to supplement and complement official state data. Learn more about potential reasons EPA's estimates may differ from official state estimates (pdf). Explore official state greenhouse gas inventories (where available), via the following links.

States

  • Alaska
  • California
  • Colorado
  • Delaware
  • Hawaii
  • Iowa
  • Louisiana
  • Maine
  • Maryland
  • Massachusetts
  • Nevada
  • New Hampshire
  • New Jersey
  • New Mexico
  • New York
  • North Carolina
  • Oregon
  • Pennsylvania
  • Rhode Island
  • Vermont
  • Virginia
  • Washington
  • Wisconsin
  • District of Columbia

US Territories

  • Puerto Rico

Greenhouse Gas Emissions

  • Overview of Greenhouse Gases
    • Carbon Dioxide Emissions
    • Methane Emissions
    • Nitrous Oxide Emissions
    • Fluorinated Gas Emissions
  • Sources of Greenhouse Gas Emissions
    • Electric Power Sector Emissions
    • Transportation Sector Emissions
    • Industry Sector Emissions
    • Commercial and Residential Sector Emissions
    • Agriculture Sector Emissions
    • Land Use & Forestry Emissions
  • Global Emissions and Removals
  • National Emissions and Removals
  • State and Tribal GHG Data and Resources
  • Facility-Level Emissions
  • Gridded Methane Emissions
  • Carbon Footprint Calculator
  • GHG Equivalencies Calculator
  • Capacity Building for Paris Agreement Reporting
    • Capacity Building Tools
      • Toolkit for Inventory Systems
Contact Us about Greenhouse Gas Emissions
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on March 20, 2025
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