Last month, a Peruvian farmer called on German energy company RWE to pay its fair share to protect his home from imminent flooding caused by a glacial lake melted by global warming.  “For a long time, my father and I have thought that those who cause climate change should help solve the problems it causes,” Saul Luciano…

Talk of ecological diversity or saving rare species does not fly very far in Mato Grosso. The state is Brazil’s top soy producer, churning out an annual harvest of about 18 million tones. Fields of emerald green line the highways, stretching out to horizons so flat they look drawn with a ruler. The crops have…