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.

Negotiations were deadlocked Saturday at the midway point of the UN climate summit, with hopes pinned on G20 leaders intervening to strike a critical finance pact at the crunch talks.

Even before the imminent return of Donald Trump to the White House, global climate action was in a tricky spot. Major gaps exist between countries in the developed and developing world over how to collectively bring down emissions,

With global temperature records being set with regularity and the consequences of climate change becoming increasingly apparent, the United States decided to abandon its leadership position on addressing global climate change by reelecting Donald Trump.

U.S. emissions could jump and the energy transition could take a major hit if the incoming Trump administration rolls back President Joe Biden’s climate policies, modelling analysis shows.