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"When we do passes over parts of the world where you can see the human impact to the world, you get to really see the magnitude of the impact. When we’re flying over North America, we come up over Vancouver, and a short five minutes later we’re flying over Houston. We’d just cross over all of the Western United States. And during the daylight, you may not really see a whole lot of human influence, with all the great plains are stretched out and the cities blending into everything. "But when we’d do that same view over South America, at what at one point was rainforest, as far as we can see, h…
