If the world warms by 6 degrees, from a distance the ____1____ may appear bright blue, but they are marine wastelands. Deserts ____2_____ across continents like conquering armies. Natural disasters become ____3_____. Some of the world’s great cities are _____4_____. If temperatures soar by 6 degrees within ____5_____, we’re going to face nothing less than a global wipe out.