Flames are spreading across the Amazon rainforest this summer, spewing millions of tons of carbon dioxide into the atmosphere each day. But scientists say that’s not their biggest concern. They’re far more worried about what…

RIO DE JANEIRO (AP) — Brazil’s official monitoring agency is reporting a sharp increase in wildfires this year, and President Jair Bolsonaro suggested Wednesday, without citing evidence, that non-governmental organizations could be setting them to…