Leaders of the Group of 20 major economies began arriving on Monday at Rio de Janeiro's Modern Art Museum for their annual summit, bracing for a shift in the global order with the return to power of U.

With leaders from the world's biggest economies converging on Rio de Janeiro for a two-day G20 summit starting Monday, the usually relaxed seaside city is under a tight security blanket.Many locals were planning to leave the city of six million during the summit.

United Nations talks on getting money to curb and adapt to climate change resume Monday with fresh hope that negotiators and ministers can work through disagreements and hammer out a deal after slow p