Democrats line up to back the endangerment finding

By Amelia Davidson | 09/18/2025 06:52 AM EDT

One senator called for “an unprecedented response” to defend federal action against climate change.

Sen. Sheldon Whitehouse (D-R.I.) and other Democrats during a press conference on climate.

Senate Environment and Public Works ranking member Sheldon Whitehouse of Rhode Island speaking during a press conference on climate change hosted by Democratic lawmakers and advocates. @SenMarkey/Twitter

As the Trump administration inches closer to overturning the bedrock finding underpinning modern climate regulation, Democrats are pushing back with a flurry of activity on Capitol Hill.

Congressional climate hawks and advocacy groups convened Wednesday to highlight the dangers of climate change, as EPA winds down the comment period on their rule to overturn the so-called endangerment finding.

EPA’s plan, which will close its comment period Monday, would overturn the 16-year-old finding which says greenhouse gas emissions pose a threat to human health. The finding has been the basis for past presidents to regulate greenhouse gas pollution under the Clean Air Act.

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“This attack on the endangerment finding is a clear and present danger to the public. We are facing unprecedented attacks on our health and environment. These attacks need to be met with an unprecedented response,” said Sen. Ed Markey (D-Mass.) at the event, flanked by children holding posters decrying the dangers of global warming.

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