U.S. President Donald Trump has invited dozens of world leaders to join his Board of Peace initiative aimed at resolving ...

Regional fears of a U.S. attack on Iran have eased after President Donald Trump said Tehran had assured him that protesters ...

BELEM, Brazil (Reuters) -Countries trying to shift to clean energy while also preparing for extreme weather and other impacts in a warmer world will need money - a lot of it. As the costs and risks of ...