In a move that stunned environmental advocates, the US Department of Justice (DOJ) under Trump dropped a high-profile enforcement case on behalf of the EPA against a Louisiana rubber plant whose emissions of chloroprene, a chemical considered to be a likely carcinogen in humans, reached hundreds of students in nearby schools.

Elon Musk's foray into politics has stoked protests and fears of damage to the Tesla brand. Here's how Musk has fared early in Trump's second term.