Nations return to deadlocked UN climate talks Monday, with hopes that G20 leaders meeting on the other side of the world can rally support behind a deal for poorer countries.Pressure is mounting on G20 leaders to throw their weight behind the stalled process when they meet in Brazil for their annual summit.

By Jake Spring and Lisandra Paraguassu RIO DE JANEIRO (Reuters) -Diplomatic tensions over global warming will take center stage at the G20 summit in Brazil this week, as negotiators at U.N. talks in Azerbaijan hit an impasse on climate finance that they hope leaders of the world's 20 major economies can break.

Heads of state arrived in Rio de Janeiro on Sunday for the G20 summit and will spend Monday and Tuesday addressing issues from poverty and hunger to the reform of global institutions. The talks must n

G20 Summit Focuses on Global Warming Leaders from the world’s largest economies gathered in Rio for G20 Summit this week to tackle pressing global issues. Among topics like poverty and hunger, climate change emerged as the main point of contention.

BRASILIA, Nov 16 (Reuters) - Diplomats from the Group of 20 major economies struggled on Saturday to overcome differences on paying to tackle climate change, taxing the super rich and addressing the Ukraine war as they negotiated a joint statement before their leaders' summit.