By Jake Spring and Lisandra Paraguassu RIO DE JANEIRO (Reuters) -Diplomatic tensions over global warming spilled over into the G20 summit negotiations in Brazil this week, with sources saying the 20 major economies reached a fragile consensus on climate finance that had eluded U.

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.

Diplomatic tensions over global warming will take centre stage at the G20 summit in Brazil this week. Heads of state arriving in Rio de Janeiro on

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.

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.