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.

United Nations talks on getting money to curb and adapt to climate change resume Monday with fresh hope that negotiators and ministers can work through disagreements and hammer out a deal after slow progress last week.

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

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,