World leaders have promised tens of millions of dollars to help South American countries fight wildfires burning in the Amazon rainforest. Leaders of seven industrial countries offered $20 million on Monday at the G7 meetings in France. The Associated Press reported that Canada’s prime minister separately offered $11 million in aid and to send firefighting airplanes to Brazil. It is unclear how exactly the money would be spent. Brazil’s environment minister said the aid was welcome and that his government should decide how the resources would be used.