Orbiting satellites are collecting an ever-increasing stream of observations of our planet: taking its picture, monitoring its processes, and measuring its health.  At SkyTruth they use these observations to shine a light on the environmental consequences of human activities, sometimes with surprising results.  In this lecture, John Amos, the president of Skytruth, explores the impacts of mining, fracking, commercial fishing, and other activities that are steadily altering the landscapes, habitats and ecosystems we depend on.


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