Brian Ler on WNYC, we continue with our Health and Climate Tuesday section now.

We did the RFK-related health angles in part one.

Now we move to the climate track.

Today we'll discuss one big

specific assault on climate policy that is being considered by the Trump administration

and not getting top line attention going all the way back to an official finding in 2009

that climate change threatens human health. They may cancel that finding to make it easier to

undo many pollution regulations. The Environmental Defense Fund, that environmental group,

yesterday filed a lawsuit seeking access to any records the Trump administration is producing.

For example, that would include, I guess, any actual science that they might be

citing to claim climate change does not threaten human health or other records that they're

generating before they actually rescind the 2009 human health endangerment from global warming

finding. So we'll explain the politics and implications of that now with

Navina Saddarsivam, senior staff writer at Grist, which covers climate issues closely. Her article

on this has these words in the headline, Trump's EPA wants to demolish the bedrock of U.S.

climate regulation. Navina, thanks for giving us some time today. Welcome to WNYC.

Thanks for having me, Brian. Your article begins with a landmark climate-related Supreme Court ruling

from 2007. What did the Supreme Court rule in 2007? Yeah, absolutely. So in 2007, the Supreme Court found in Massachusetts versus EPA that the Clean Air Act

did include greenhouse gases as air pollutants.

The question that was brought before the court was, you know, whether greenhouse gases

like carbon dioxide and methane were technically

considered, quote-unquote, air pollutants under the Clean Air Act. And the Supreme Court ruled

...