Experts say the EPA's move to reverse the endangerment finding is dangerous for the nation. But California may have tools to weather the storm.

The proposed Environmental Protection Agency rule rescinds a 2009 declaration that determined carbon dioxide and other greenhouse gases endanger public health.

The Trump administration’s U.S. Environmental Protection Agency proposed on Tuesday revoking a science-based determination that pollution fueling climate change harms public health. The so-called endangerment finding has for 16 years underpinned federal regulations for vehicles,