President Luiz Inácio Lula da Silva's comments came the day after representatives of the G20 nations endorsed a joint statement that called for a pact to combat hunger, more aid for Gaza, an end to the war in Ukraine and other goals.
UN chief says 'failure is not an option' in fight against climate change
United Nations Secretary-General António Guterres called for 'leadership by example' from G20 countries as Brazil hosts G20..
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