Learn the Issues
-
CSAPR Compliance Year 2020 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2020 compliance year.
-
CSAPR Assurance Provision NODAs
For each calendar year for which the CSAPR assurance provisions are triggered, EPA publishes a preliminary and final notice of data availability (NODA) in the federal register.
-
CSAPR Compliance Year 2018 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2016 compliance year.
-
CSAPR Compliance Year 2023 NUSA NODAs
This page contains links to NUSA Notices of Data Availability for the CSAPR 2023 compliance year.
-
Geoengineering
Geoengineering refers to activities intended to cool the Earth or remove greenhouse gases from the air and has health and environmental impacts. This area summarizes geoengineering, what EPA is doing, and frequent questions, including on contrails.
-
Environmental Topics
EPA's resources on environmental issues include research, basics, what you can do, and an index covering more specific terms.
-
Analysis of the Proposed Supplemental Interstate Transport Rule
IPM analyses of the Proposed Supplemental Interstate Transport Rule
-
Analysis of the Final Federal Good Neighbor Plan Addressing Regional Ozone Transport for the 2015 Ozone National Ambient Air Quality Standard
IPM analyses of the Good Neighbor Plan for 2015 Ozone NAAQS.
-
Frequent Questions
Find answers to frequently asked questions geared toward the general public, teachers and students, academic researchers, and regulated power plants.
-
Progress Report - Air Quality
EPA’s Progress Report provides annual updates on program implementation and resulting changes in emissions.
-
Summary Data
List of the major summary data, tools, and resources used by the Clean Air Markets Programs.
-
Progress Report - Index of Graphics
Index of graphics for the Power Sector Programs Progress Report.
-
Air Toxics Data Update
Information on improving access to air toxics data
-
Programs & Progress
Learn about the progress made through EPA's Clean Air Markets Programs and find links to progress reports, emissions trends, and additional resources.
-
Addition of 1-BP (nPB) to the Clean Air Act List of Hazardous Air Pollutants
Fact sheet and pre-publication version of the notice to grant petitions to add n-propyl bromide to the list of hazardous air pollutants
-
Green Power Partnership Events and Webinars
EPA's Green Power Partnership hosts variety of events, such as webinars and presentations at conferences, on a regular basis. Topics include the Green Power Partnership, green power technologies and products, and information on procuring green power.
-
Green Power Partnership Requirements
The U.S. EPA's Green Power Partnership is a voluntary partnership program designed to reduce the environmental impact of electricity generation by promoting renewable energy. To join, organizations must meet EPA's program requirements.
-
Government Partnerships to Reduce Air Pollution
The Clean Air Act calls for state, local, federal and tribal governments to implement the Act in partnership to reduce pollution. Roles vary depending on the nature of the air pollution problem.
-
Green Power Partnership Frequently Asked Questions
The U.S. EPA's Green Power Partnership is a voluntary program designed to reduce the environmental impact of electricity generation by promoting renewable energy. This page provides a brief program overview, including vision and accomplishments.
-
Benefits of Green Power Partnership
The U.S. EPA's Green Power Partnership is a voluntary partnership program designed to reduce the environmental impact of electricity generation by promoting renewable energy. Learn about the benefits of becoming a Green Power Partner.