President Joe Biden said Wednesday that he will put climate-crisis considerations at the center of U.S. foreign policy, while announcing a plan to host a summit of world leaders on April 22 to boost efforts to tackle global warming.The move reaffirms the new president's commitment to put the United States back in a position to lead the world in taking on climate change, such as by rejoining the Paris accord from which his predecessor Donald Trump withdrew the country.But challenges may loom in seeking cooperation from China, the world's top carbon dioxide emitter, with the bilateral relatio…READ FULL ARTICLE