The world is on fire. From the United States to the Mediterranean Basin, over the last few weeks, a series of wildfires have been spreading and scorching the earth, and burning millions of acres of forests, farmlands and towns. Suffering from record-setting heat waves, the earth appears to be getting too hot. At the same time, flash floods and extreme heat waves that used to be a rarity in Europe have become increasingly common, even in countries that are less accustomed to blazing heat.