Joe Biden released a $5 trillion “clean energy revolution” plan Tuesday to combat climate change, which he said is the greatest challenge facing the United States and world. Biden responded aggressively to critics and rival Democratic candidates who predicted he’d be too moderate on climate change, given his pro-union background, with a proposal that he says goes “well beyond” the agenda he undertook in the Obama administration. He vowed to re-enter the Paris Climate Accord that the Obama administration negotiated, and President Trump rejected, on the first day of his presidency, and to commit the U.S. to an even more...