Trump says U.S. could "go back in" Paris Agreement

U.S. President Donald Trump (R) and Norwegian Prime Minister Erna Solberg attend a joint press conference at the White House in Washington D.C., the United States, on Jan. 10, 2018. U.S. President Donald Trump said Wednesday that Washington could "conceivably" re-enter into the global Paris climate agreement, from which he announced the withdrawal last year. (Xinhua/Ting Shen)