Skip to main content
U.S. flag

An official website of the United States government

Here’s how you know

Breadcrumb

  1. Home
  2. Climate Change

2010 Denial of Petitions for Reconsideration of the Endangerment and Cause or Contribute Findings for Greenhouse Gases Under Section 202(a) of the Clean Air Act

Quick Link
  • Endangerment and Cause or Contribute Findings for Greenhouse Gases Under Section 202(a) of the Clean Air Act

Action

EPA determined in December 2009 that climate change caused by emissions of greenhouse gases threatens the public's health and the environment. Between the issuance of the Findings and July 29, 2010, EPA received 10 petitions challenging this determination. On July 29, 2010, EPA denied these petitions.

Response to Petitions

  • Download a PDF version of the Decision Document.
  • Response to Petitions Document. Download PDF versions of the Response to Petitions Documents.

​Petitions

  • View or download the Petitions for Reconsideration of the Endangerment and Cause or Contribute Findings for Greenhouse Gases Under Section 202(a) of the Clean Air Act.

Climate Change

  • What EPA Is Doing
  • Partnership Programs
  • What You Can Do
Contact Us about Climate Change
Contact Us about Climate Change
Contact Us about Climate Change to ask a question, provide feedback, or report a problem.
Last updated on January 29, 2026
  • Assistance
  • Spanish
  • Arabic
  • Chinese (simplified)
  • Chinese (traditional)
  • French
  • Haitian Creole
  • Korean
  • Portuguese
  • Russian
  • Tagalog
  • Vietnamese
United States Environmental Protection Agency

Discover.

  • Accessibility Statement
  • Budget & Performance
  • Contracting
  • EPA www Web Snapshot
  • Grants
  • No FEAR Act Data
  • Plain Writing
  • Privacy and Security Notice

Connect.

  • Data
  • Inspector General
  • Jobs
  • Newsroom
  • Regulations.govExit EPA’s Website
  • Subscribe
  • USA.govExit EPA’s Website
  • White HouseExit EPA’s Website

Ask.

  • Contact EPA
  • EPA Disclaimers
  • Hotlines
  • FOIA Requests
  • Frequent Questions
  • Site Feedback

Follow.

  • Exit EPA’s Website

Environmental Protection Agency logo
www.epa.gov Feedback Survey

Welcome! Please share your feedback on how we can make www.epa.gov work better for you.

A red asterisk (*) indicates a required field.

Required Questions - page 1 of 2
question_55203_answer_01
*

400 characters allowed
Would you like to take two more minutes to answer more questions to help us improve our services?
Yes, keep going →
← Back
Optional questions - page 2 of 2
How would you describe yourself?
400 characters allowed
400 characters allowed
400 characters allowed
U.S. flag

An official form of the United States government. Provided by TouchpointsExit EPA’s Website
OMB Approval #1090-0008 · Expiration Date 11/30/2027