On Tuesday the U.S. Environmental Protection Agency released its proposal to undo its long-standing rationale and legal mandate to regulate greenhouse gases under the decades-old Clean Air Act—part of the Trump administration’s wide-ranging campaign to dismantle federal efforts to combat climate change.

Oregon Gov. Tina Kotek decried any attempt to repeal the 2009 declaration that determined carbon dioxide and other greenhouse gases endanger public health and welfare.

EPA Administrator Lee Zeldin said the agency would release a proposal eliminating a finding that climate change posed a public health threat, which