Washington signalled room for negotiation on a US plan to end the Ukraine war that has drawn pushback from Kyiv, its allies and US lawmakers ahead of Sunday talks on the proposal in Switzerland.
South Africa chose "Solidarity, Equality, Sustainability" as the theme of its presidency of the G20, which comprises 19 countries and two regional bodies.
Negotiations at COP30 climate talks in Brazil ran into overtime on Saturday with no agreement struck and delegates still locked in a bitter fight over whether to mention fossil fuels in the final text.