Trump has trounced Biden-era clean energy programs, decimated the federal workforce and dammed the flow of climate and infrastructure dollars — sometimes flouting court orders to reverse course. He has fired hundreds of staff at the nation’s already-strained disaster response agency and threatened to dismantle it entirely.

President Donald Trump is slamming into U.S. climate policy like a category 5 hurricane, smashing clean energy programs, scattering swaths of the federal workforce and leaving a trail of turmoil that jeopardizes efforts to slow rising temperatures beyond his presidency.