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’s U.S. Environmental Protection Agency proposed on Tuesday revoking a science-based determination that pollution fueling climate change harms public health. The

The endangerment finding underpins the EPA's ability to regulate greenhouse gases. The Trump administration is trying to reverse it.