President Donald Trump's administration on Tuesday proposed revoking a scientific finding that has long been the central basis for U.S. action to regulate greenhouse gas emissions and fight climate change.

The Trump administration is moving to dismantle one of the foundational pillars of federal climate policy: the Environmental Protection Agency’s (EPA) 2009 so-called ‘endangerment finding’. This Obama-era determination concluded that greenhouse gases [GHGs] – including carbon dioxide and methane – pose a significant risk to human health and