Climate groups vow to fight rollback of 2009 finding determining CO2 and other greenhouse gases harm health

In what is set to be its most audacious anti-environment move yet, the Trump administration on Thursday will roll back the mechanism allowing the government to regulate planet-heating pollution, the White House press secretary has told reporters.

“President Trump will be joined by EPA Administrator Lee Zeldin to formalize the recession of the 2009 Obama-era endangerment finding,” Karoline Leavitt said at a press conference on Tuesday. “This will be the largest deregulatory action in American history.”

The finding determined that CO2 and other greenhouse gases endanger public health and welfare, establishing a legal basis to regulate them under the Clean Air Act. Its overturning would be a “devastating blow to millions of Americans facing growing risks of unnatural disasters”, said Meredith Hankins, federal climate legal director at the environmental advocacy non-profit National Resources Defense Council.

“The Trump EPA is cynically pretending climate change isn’t a risk to Americans’ health and welfare,” said Hankins. “This is the biggest attack ever on federal authority to tackle the climate crisis.