Repeal of Greenhouse Gas Emissions Standards for Fossil Fuel-Fired Electric Generating Units

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Nov 3, 2026

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Natural Resources Defense Council (NRDC) filings

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Natural Resources Defense Council (NRDC) filed 12 comments on this docket between Aug 8, 2025 and Nov 3, 2026. 117 other organizations filed here. The comment window closed 3d ago.

What Natural Resources Defense Council (NRDC) filed (12)

Nov 3, 2026· Comment submitted by Natural Resources Defense Council et al.· EPA-HQ-OAR-2025-0124-3233

Please find attached joint legal comments from the Clean Air Task Force, Center for Biological Diversity, Earthjustice, Environmental Defense Fund, Environmental Law & Policy Center, Natural Resources Defense Council, Union of Concerned Scientists, and Sierra Club on the proposed supplemental rulemaking entitled "Rescission of the Greenhouse Gas Findings for Fossil Fuel-Fired Power Plants and Repeal of Regulations for Power Plant Greenhouse Gas Emissions Under Clean Air Act Section 111," 91 Fed. Reg. 59002 (Sept. 17, 2026).

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Aug 21, 2025· Comment submitted by Clean Air Task Force (CATF) and Natural Resources Defense Council (NRDC)· EPA-HQ-OAR-2025-0124-2388

We submit these comments on behalf of Clean Air Task Force and Natural Resources Defense Council (together, "Commenters") in response to the U.S. Environmental Protection Agency's June 17, 2025 proposed rulemaking in Docket No. EPA-HQ-OAR-2025-0124, 90 Fed. Reg. 25752. Commenters are nonprofit organizations with decades of legal, technical and policy expertise on energy, environmental, and public health issues. This comment addresses aspects of the proposed repeal's alternative proposal.

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Aug 14, 2025· Comment submitted by Natural Resources Defense Council (NRDC) et al.· EPA-HQ-OAR-2025-0124-1949

NRDC et al - Primary Proposal - Attachments Submission 2/8

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Aug 14, 2025· Comment submitted by Natural Resources Defense Council (NRDC) et al.· EPA-HQ-OAR-2025-0124-1950

NRDC et al - Primary Proposal - Attachments Submission 3/8

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Aug 14, 2025· Comment submitted by Natural Resources Defense Council (NRDC), et al.· EPA-HQ-OAR-2025-0124-1951

NRDC et al - Primary Proposal - Attachments Submission 4/8

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Aug 14, 2025· Comment submitted by Natural Resources Defense Council (NRDC) et al.· EPA-HQ-OAR-2025-0124-1952

NRDC et al - Primary Proposal - Attachments Submission 6/8

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Aug 14, 2025· Comment submitted by Natural Resources Defense Council (NRDC) et al.· EPA-HQ-OAR-2025-0124-1954

NRDC et al - Primary Proposal - Attachments Submission 8/9

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Aug 14, 2025· Comment submitted by Natural Resources Defense Council (NRDC) et al.· EPA-HQ-OAR-2025-0124-1955

NRDC et al - Primary Proposal - Attachments Submission 99

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Aug 14, 2025· Comment submitted by Natural Resources Defense Council (NRDC) et al.· EPA-HQ-OAR-2025-0124-1953

NRDC et al - Primary Proposal - Attachments Submission 7/8

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Aug 14, 2025· Comment submitted by Natural Resources Defense Council (NRDC) et al.· EPA-HQ-OAR-2025-0124-1948

NRDC et al - Primary Proposal - Attachments Submission 1/8

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Aug 11, 2025· Comment submitted by Natural Resources Defense Council (NRDC), et al.· EPA-HQ-OAR-2025-0124-0648

Joint legal comments from the Center for Biological Diversity, Clean Air Task Force, Earthjustice, Environmental Defense Fund, Natural Resources Defense Council, and Sierra Club

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Aug 8, 2025· Mass Comment Campaign sponsored by Natural Resources Defense Council (NRDC)· EPA-HQ-OAR-2025-0124-0254

Dear EPA Administration Zeldin, Please accept these 26,382 public comments from members and activists of the Natural Resources Defense Council (NRDC) in reference to Docket # EPA-HQ-OAR-2025-0124. I urge you to fulfill your agency's mission to protect human health and the environment by reversing plans to repeal crucial carbon standards and Mercury and Air Toxics Standards (MATS) for power plants. Giving dirty coal- and gas-fired power plants looser reins to emit pollution will worsen climate change, fuel more extreme weather events, and cause more health problems for more people in communities across the country. Power plants are already responsible for one-third of U.S. carbon emissions. If kept in place, these standards would have saved thousands of lives. And standards were put in place to limit mercury, arsenic, lead, and other air toxins from power plants that can cause neurological damage in children, respiratory illness, and premature death. These standards are good for our environment and our economy. Please keep them in place. Thank you. Sincerely, Margaret Tran Ramadhar National Digital Advocacy Campaign Manager, NRDC

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Abstract

Repeal of Greenhouse Gas Emissions Standards for Fossil Fuel-Fired Electric Generating Units. Related Docket: EPA-HQ-OAR-2023-0072

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Co-filers (117)

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Natural Resources Defense Council (NRDC)THIS ORG
12 filings · confidence 97%
Environmental Defense Fundtrade assoc.
7 filings · confidence 97%
American Lung Associationtrade assoc.
4 filings · confidence 85%
Alliance of Nurses for Healthy Environmentstrade assoc.
3 filings · confidence 85%
Environmental Protection Network (EPN)trade assoc.
3 filings · confidence 97%
Prime Mover Institutetrade assoc.
3 filings · confidence 85%
U.S. Chamber of Commerce
3 filings · confidence 97%
Ameren Corporationunverified attribution
2 filings · confidence 70%
American Free Enterprise Chamber of Commercetrade assoc.
2 filings · confidence 85%
American Petroleum Institutetrade assoc.
2 filings · confidence 97%
American Public Power Associationtrade assoc.
2 filings · confidence 97%
Arkansas Electric Cooperative Corporationunverified attribution
2 filings · confidence 70%
Basin Electric Power Cooperativeunverified attribution
2 filings · confidence 70%
Business Council for Sustainable Energytrade assoc.
2 filings · confidence 85%
Center for Biological Diversity
2 filings · confidence 97%
Climate Psychiatry Alliancetrade assoc.
2 filings · confidence 85%
CO2 Coalitiontrade assoc.
2 filings · confidence 85%
East Kentucky Power Cooperativeunverified attribution
2 filings · confidence 70%
Edison Electric Institutetrade assoc.
2 filings · confidence 97%
Large Public Power Counciltrade assoc.
2 filings · confidence 85%
Lignite Energy Counciltrade assoc.
2 filings · confidence 85%
NACCO Natural Resources Corporationunverified attribution
2 filings · confidence 70%
National Association of Clean Air Agenciestrade assoc.
2 filings · confidence 85%
National Federation of Independent Businesstrade assoc.
2 filings · confidence 97%
National Mining Associationtrade assoc.
2 filings · confidence 97%
National Parks Conservation Associationtrade assoc.
2 filings · confidence 85%
National Rural Electric Cooperative Associationtrade assoc.
2 filings · confidence 97%
National Tribal Air Associationtrade assoc.
2 filings · confidence 85%
Oklahoma Gas & Electric Companyunverified attribution
2 filings · confidence 70%
Power Generators Air Coalitiontrade assoc.
2 filings · confidence 85%
Prairie Hills Audubon Societytrade assoc.
2 filings · confidence 85%
Southern Alliance for Clean Energytrade assoc.
2 filings · confidence 85%
Texas Public Policy Foundationtrade assoc.
2 filings · confidence 85%
The Institute for Policy Integrity at New York University School of Lawtrade assoc.
2 filings · confidence 85%
U.S. Climate Alliancetrade assoc.
2 filings · confidence 85%
a Mississippi Electric Cooperativeunverified attribution
1 filing · confidence 70%
America First Policy Institutetrade assoc.
1 filing · confidence 85%
American Cement Associationtrade assoc.
1 filing · confidence 85%
American Coal Counciltrade assoc.
1 filing · confidence 85%
American Consumer Institutetrade assoc.
1 filing · confidence 85%
American Enterprise Institutetrade assoc.
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American Friends Service Committeetrade assoc.
1 filing · confidence 85%
American Iron and Steel Institutetrade assoc.
1 filing · confidence 97%
American Medical Associationtrade assoc.
1 filing · confidence 97%
American Thoracic Societytrade assoc.
1 filing · confidence 85%
American Water Works Associationtrade assoc.
1 filing · confidence 97%
Americans for Prosperity Foundationtrade assoc.
1 filing · confidence 85%
and Environmental Law Clinic at the University of Colorado Law Schoolunverified attribution
1 filing · confidence 70%
Appalachian Region Independent Power Producers Associationtrade assoc.
1 filing · confidence 85%
Arizona Public Service Companyunverified attribution
1 filing · confidence 70%
Barry University’s Earth and Environmental Law Clinicunverified attribution
1 filing · confidence 70%
Berkshire Hathaway Energy Companyunverified attribution
1 filing · confidence 70%
Calpine Corporationunverified attribution
1 filing · confidence 70%
Carbon Utilization Research Counciltrade assoc.
1 filing · confidence 85%
Change the Chambertrade assoc.
1 filing · confidence 85%
Chesapeake Bay Foundationtrade assoc.
1 filing · confidence 85%
Chickaloon Village Traditional Counciltrade assoc.
1 filing · confidence 85%
Cleco Power LLCunverified attribution
1 filing · confidence 70%
Coalition of Local Governmentstrade assoc.
1 filing · confidence 85%
Committee For A Constructive Tomorrowtrade assoc.
1 filing · confidence 85%
Committee on Environment and Public Workstrade assoc.
1 filing · confidence 85%
Competitive Enterprise Institutetrade assoc.
1 filing · confidence 85%
Constellation Energy Corporationunverified attribution
1 filing · confidence 70%
Council Members of City of Green Cove Springstrade assoc.
1 filing · confidence 85%
CPAC Foundation Center for Regulatory Freedomtrade assoc.
1 filing · confidence 85%
Duke Energy Corporationunverified attribution
1 filing · confidence 70%
Electric Power Research Institutetrade assoc.
1 filing · confidence 85%
Electric Power Supply Associationtrade assoc.
1 filing · confidence 85%
Emory University Climate Change Hub's Environmental Law and Science Changemaker Programunverified attribution
1 filing · confidence 70%
Environmental Law Society - University of Colorado Law Schooltrade assoc.
1 filing · confidence 85%
FirstEnergy Corp.unverified attribution
1 filing · confidence 70%
Gas Turbine Associationtrade assoc.
1 filing · confidence 85%
Greater Fairbanks Chamber of Commercetrade assoc.
1 filing · confidence 85%
Hoosier Environmental Counciltrade assoc.
1 filing · confidence 85%
House Committee on Energy and Commercetrade assoc.
1 filing · confidence 85%
Idaho Power Companyunverified attribution
1 filing · confidence 70%
Independence Institutetrade assoc.
1 filing · confidence 85%
Institute for Energy Researchtrade assoc.
1 filing · confidence 85%
Institute for Policy Integritytrade assoc.
1 filing · confidence 85%
John Locke Foundationtrade assoc.
1 filing · confidence 85%
Kansas Electric Power Cooperative Inc. (KEPCO) and Sunflower Electric Power Corporationunverified attribution
1 filing · confidence 70%
Landmark Legal Foundationtrade assoc.
1 filing · confidence 85%
League of Women Voters in Southern Californiatrade assoc.
1 filing · confidence 85%
Main Street Foundation Center for Regulatory Analysis and Engagementtrade assoc.
1 filing · confidence 85%
Mass Comment Campaign sponsored by American Lung Associationtrade assoc.
1 filing · confidence 85%
Mass Comment Campaign sponsored by League of Conservation Voterstrade assoc.
1 filing · confidence 85%
Massachusetts Fiscal Alliance and Yankee Institutetrade assoc.
1 filing · confidence 85%
Medical Society Consortium on Climate and Health.trade assoc.
1 filing · confidence 85%
Missouri Farm Bureau Federationtrade assoc.
1 filing · confidence 85%
Mountain States Legal Foundationtrade assoc.
1 filing · confidence 85%
NAAQS Regulatory Review and Rullemaking (NR3) Coalitiontrade assoc.
1 filing · confidence 85%
National Association of Manufacturers (NAM)trade assoc.
1 filing · confidence 97%
National Family Farmers Union- Minnesotaunverified attribution
1 filing · confidence 70%
National Wildlife Federationtrade assoc.
1 filing · confidence 85%
NorthWestern Corporationunverified attribution
1 filing · confidence 70%
Oglethorpe Power Corporationunverified attribution
1 filing · confidence 70%
Ohio Valley Electric Corporationunverified attribution
1 filing · confidence 70%
Otter Tail Power Companyunverified attribution
1 filing · confidence 70%
Pacific Legal Foundationtrade assoc.
1 filing · confidence 85%
PowerSouth Energy Cooperativeunverified attribution
1 filing · confidence 70%
PPL Corporationunverified attribution
1 filing · confidence 70%
Presque Isle Audubon Societytrade assoc.
1 filing · confidence 85%
R Street Institutetrade assoc.
1 filing · confidence 85%
Steel Manufacturers Associationtrade assoc.
1 filing · confidence 85%
Talen Energy Corporationunverified attribution
1 filing · confidence 70%
Tenaska Inc.unverified attribution
1 filing · confidence 70%
The Buckeye Institutetrade assoc.
1 filing · confidence 85%
The CLEO Institutetrade assoc.
1 filing · confidence 85%
The Petroleum Alliance of Oklahomatrade assoc.
1 filing · confidence 85%
U.S. Conference of Mayors and National League of Citiestrade assoc.
1 filing · confidence 85%
Union of Concerned Scientistsunverified attribution
1 filing · confidence 70%
United States Conference of Mayors and the Sabin Center for Climate Change Law at Columbia Law Schooltrade assoc.
1 filing · confidence 85%
UNS Energy Corporationunverified attribution
1 filing · confidence 70%
West Virginia Coal Associationtrade assoc.
1 filing · confidence 85%
Western Farmers Electric Cooperativeunverified attribution
1 filing · confidence 70%
Westmoreland Mining Holdings LLCunverified attribution
1 filing · confidence 70%
Wyoming Mining Associationtrade assoc.
1 filing · confidence 85%
Yankee Institute for Public Policytrade assoc.
1 filing · confidence 85%