Chen said the EPA rescinding the endangerment finding is "very concerning" because "the scientific evidence has not become weaker, but actually became much stronger, showing the health harms from the climate change stirring from the greenhouse gas emissions. This rollback of policy will actually be threatening millions of Americans' lives."

The Trump administration announced an end to greenhouse gas emission standards for all vehicles made in model year 2012 or later Thursday.

The president's reversal of a 2009 finding could mean automakers will have less pressure to address certain emissions.

The Trump administration's reversal of a key greenhouse gas finding could mean setbacks for Colorado anti-pollution efforts.

The Environmental Protection Agency has reversed landmark environmental laws made to curtail greenhouse gas emissions and decarbonize pollution sources,

Gov. Gavin Newsom vows to sue the federal government over President Donald Trump administration's recent decision to repeal the EPA's climate findings

The repeal runs counter to data published by the EPA in 2009.

State officials say a decision by the federal government to stop regulating greenhouse gas emissions is unlawful and will have a grave impact on Washington’s climate.

The EPA has reversed its position on whether or not it can regulate greenhouse gas emissions, eliminating influential rules that were pushing the auto industry toward cleaner vehicles.

President Donald Trump's repeal of the foundation for federal climate regulation will immediately free automakers ⁠from ⁠costly tailpipe emissions standards, but the move could spark lawsuits and ⁠force businesses to navigate an uncertain future of multiple state and regional rules.