Joe Biden has promised to rejoin the Paris Climate Accord on day one, but President Trump could stop it from having any binding legal power.
President Obama signed on to the international agreement by executive action in 2015, which meant Mr. Trump could withdraw from it the same way, as he did in 2017. As per the terms of the accord, that withdrawal became effective on Nov. 4, 2020. Mr. Obama’s pledge to reduce greenhouse-gas emissions at least 26% by 2025 wasn’t legally binding. Only Senate consent to its ratification could…
