In a marked change of tone for U.S. leaders, President Joe Biden acknowledged at a U.N. summit Monday that the United States and other developed nations bore much of the responsibility for climate ...

President Joe Biden arrived Monday at a consequential U.N. climate summit in Scotland — a meeting that's being touted as the "last best chance" to save the world from the devastating effects of ...

John Kerry says he's stepping down from the Biden administration's climate diplomacy job after the 2023 UN climate summit ...

BELÉM, Brazil — Nearly 200 countries agreed Saturday to step up efforts to adapt to global warming and warned about the risks of inaction, but rejected proposals to directly address the fossil fuels ...