Leaders of the Group of 20 major economies meet on Tuesday to discuss sustainable development and the transition to cleaner energy, as they aim to increase the odds of a successful deal to address global warming at U.

World leaders attending the G20 Summit pose for a group photo in Rio de Janeiro, Tuesday, Nov. 19, 2024. (AP Photo/Silvia Izquierdo) A sign announces the G20 Summit in Rio de Janeiro, Brazil, Monday,

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.