Swedish teen activist Greta Thunberg said on Monday she would donate 1 million euros ($1.14 million) from a new prize she has won to groups tackling climate change and defending nature.
Brazil's far-right President Jair Bolsonaro on Wednesday accused non-governmental organizations of burning down the Amazon rainforest to hurt his government, as a growing global outcry against the wildfires raged through social media.
G20 member nations were still struggling to reach agreement on major issues including trade, migration and climate change as world leaders began arriving in Buenos Aires ahead of a summit starting on Friday.
