The 2009 endangerment finding affirms that carbon dioxide and other greenhouse gases pose a threat to human health and welfare. Its repeal marks one of the most significant deregulatory actions in U.S.

Local governments would be severely restricted from implementing measures to reduce the effects of climate change under a bill approved Thursday by a Florida House committee. The measure (HB 1217) comes nearly two years Gov.

President Donald Trump just took his biggest swing yet at demolishing U.S. climate policy. The courts will decide whether it sticks. Standing alongside Administrator Lee Zeldin, Trump announced the repeal of the agency’s 2009 scientific declaration that greenhouse gases harm human health and welfare.