In a challenging G20 summit in Rio, world leaders failed to make significant progress on climate funding for developing nations, overshadowed by disputes over the Ukraine conflict and the potential return of Donald Trump to the White House. U.S. President Joe Biden’s support for Ukraine and Brazilian President Luiz Inacio Lula da Silva’s push for taxing billionaires highlighted divisions. Meanwhile, Chinese President Xi Jinping called for global stability amid increasing geopolitical tensions, as key commitments for climate action remained elusive.