As the U.S. prepares for another Trump administration, one area unambiguously in the incoming president’s crosshairs is climate policy. Although he has not released an official climate agenda, Donald Trump’s playbook from his last stint in the Oval Office and his frequent complaints about clean energy offer some clues to what’s ahead.

Trump has called climate change a “hoax,” he pulled the United States out of the 2015 Paris climate accord during his first term and has said he would do so again. He has also pledged to expand oil and gas production, eliminate subsidies for clean energy and electric vehicles, and roll back regulations aimed at reducing planet-warming emissions.

With the UN climate summit to start in Azerbaijan in a week, here is a recap of 10 key dates in the battle against global warming.

President-elect Donald J. Trump promised to delete climate policy. He could face pushback from Republicans benefiting from a boom in clean energy.

When they list measures that are making the most difference, it lines up with policies and agencies Trump has said he'll target: President Joe Biden’s landmark climate law, which is funneling money to energy measures that combat climate change,

Green stocks wobble as officials rush to respond and activists brace for the unknown. "It’s going to suck," one said.