President Donald Trump launched a sweeping overhaul of US energy policy hours after taking office Monday, putting the weight of the federal government behind fossil-fuel production and pulling back from the fight against climate change.

President Joe Biden is indefinitely blocking offshore oil and gas development in more than 625 million acres of US coastal waters, warning that drilling there is simply “not worth the risks” and “unnecessary” to meet the nation’s energy needs.

The US government moved closer to imposing new tariffs on solar cells and panels from Southeast Asia after an agency’s initial determination that American manufacturers are being harmed by cheap imports from the region.

The new US climate law plows $27 billion into an Environmental Protection Agency fund for green banks.

President Joe Biden’s signing of the Inflation Reduction Act on Tuesday caps nearly two years of efforts to pass sweeping climate legislation. But the real work is just getting started.