Heads of state arriving in Rio de Janeiro on Sunday for the G20 summit will spend Monday and Tuesday addressing issues from poverty and hunger to the reform of global institutions. Still, the ongoing U.N. climate talks have thrown a spotlight on their efforts to tackle global warming.

UN Secretary-General Antonio Guterres on Sunday called on G20 leaders gathering in Rio de Janeiro to rescue stalled concurrent UN climate talks in Azerbaijan by showing "leadership" on cutting emissions.

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

Janja Lula da Silva joked that she was not afraid of the owner of social media platform X.

Brazil's first lady, Janja Lula da Silva, swore at billionaire Elon Musk during a G20 social event on Saturday at which she spoke about the need to regulate social media to rein in misinformation. A ship's horn sounded as she spoke and she joked,

Speaking at an event about social media misinformation on Saturday at the G20 summit, Brazilian First Lady Janja Lula da Silva swore at billionaire Elon Musk, who owns the platform X. Lula da Silva, wife to President Luiz Inácio Lula da Silva,