Joe Biden's return to Paris pact just a first step on U.S. climate action SECTIONS Last Updated: Jan 20, 2021, 12:35 PM IST Share Synopsis The process to re-enter the international accord takes a month, meaning the United States will only officially have been out of the deal for a short time, since exiting in November. But Trump's hostility to the U.N. climate process and his support for polluting fossil fuels have left Biden's team a lot of catching up to do at home and abroad, policy analysts said. Agencies Biden has said he plans to set the country on a path to net-zero emissions by 2050, ...