We live on a very wet planet. There are one point six times ten to the sixteen kilograms of water vapor in the air. It turns out that it's like one part and one hundred million of that water taken out every day, something like that. We're in like some star track or science fiction arc, where we're starting to understand the ego system and our impact on it. What do you call this general area of pulling moisture from the air? Is her category name?...