Yesterday, the Environmental Protection Agency announced what it called the biggest

deregulatory action in U.S. history.

The proposed rollbacks would impact dozens of rules, from emissions limits for power plants

and vehicles to waste water regulations and air quality standards.

Stephanie Sye has more.

Omna, the EPA was created by President Nixon in 1970, in essence, to protect the air we breathe

and the water we drink. Under later presidents, that mission expanded to addressing greenhouse

gases, which contribute to global warming. Now, EPA administrator Lee Zeldin says his agency wants to drive a dagger

straight into the heart of what he calls climate change religion.

With the stated goal of unleashing energy,

Zeldon's proposals include a call to upend the basis for all the EPA's climate change actions.

To help us unpack some of this, we're joined by Zach Coleman, who covers the topic for Politico.

Zach, just describe the scope and scale of these proposed changes.

This is the most sweeping rollback of environmental rules in the nation's history.

We're talking about going back to the

1970s era where these rules didn't even exist yet. So this is erasing decades of, potentially

erasing decades of climate and air pollution rules. But again, this is also going to be

something that's litigated in the courts. So we don't quite yet know exactly where this will end up.

So among the dozens of rules proposed that would roll back environmental protections,

Zeldon also made it clear that he wants to revise the conclusion that greenhouse gases

endanger public health.

That was a scientific finding reached by Obama's EPA in 2009.

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