Climate doomed without Brazil

Jair Bolsonaro, the far-right nationalist who on Sunday was elected Brazil’s new president, has been called the “Brazilian Trump.” But he’s more extreme than that. His rhetoric is more explicitly violent and bigoted, and his rule threatens more than just the fourth-largest democracy in the world. The livability of the entire planet is at stake. The Amazon rainforest, more than half of which is within Brazil’s borders, covers 4 percent of the earth’s surface and is a major regulator of the world’s climate. Its trees act as a sponge for carbon dioxide, absorbing the planet-warming gas from the atmosphere and...