Our burning of gasoline, coal and natural gas on a massive global scale, putting tens of billions of tons of greenhouse gases into the atmosphere annually, is turning the earth into . . . well, a greenhouse. Greenhouses are closed up, keeping in heat and moisture. In a greenhouse, the moisture might form rivulets down the internal windows. On earth, the skies open to dump lakes worth of water down on people.

Source: With Massive Flooding in Germany, Scientists worry Climate is increasingly out of Control