Emissions from a coal-fired power plant are silhouetted against the setting sun in Independence, Mo., in February. President Biden is announcing a new pledge for the U.S. to reduce carbon emissions under the Paris climate agreement.

FILE – In this Monday, Feb. 1, 2021 file photo, emissions from a coal-fired power plant are silhouetted against the setting sun in Independence, Mo. Dozens of European lawmakers, business executives and union leader called Tuesday for the United States to cut its greenhouse gas emissions by 50% in the coming decade compared with 2005 levels. (AP Photo/Charlie Riedel)