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.

With negotiations on climate finance in Baku at a standstill, leaders are turning to the G20 meeting in Brazil for a breakthrough .

The UN's climate chief urged G20 leaders on Saturday to push COP29 talks towards a deal to raise money for developing nations as diplomats struggled to find common ground in marathon negotiations.Samir Bejanov,

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.