Hotter air holds more moisture, which means that rainfall can be heavier, or increased evaporation can exacerbate droughts.

Vast tracts of forest in Brazil, Russia and Africa have also been burning. The extent of the fires has sparked outrage around the world. But is the scale of these fires unprecedented, or have ...

deploying joint emergency teams to combat forest fires, or providing health care in remote Amazon borderlands. But they need help from the wider world, he said. “The well-being of the Amazon is ...