After rolling back a slew of regulations aimed at reversing climate change, and pulling funding for the scientists who monitor it, the Trump administration is now taking its boldest action yet.

It’s eliminating the scientific finding at the heart of the government’s ability to fight climate change in the first place.

Lisa Friedman, who covers climate policy, discusses the history of the finding, what it did and what happens once it’s gone.

Guest: Lisa Friedman, a reporter covering climate policy and politics at The New York Times.

Background reading: In a game-changing climate rollback, the E.P.A. aims to kill a bedrock scientific finding.

For more information on today’s episode, visitnytimes.com/thedaily. Transcripts of each episode will be made available by the next workday.

Photo: Ulysse Bellier/Agence France-Presse — Getty Images

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