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May 2, 2017

After centuries of water pollution, Baltimore creates a river filtration system that has sifted out 1.1 million pounds of trash. Next, scientists try to save the Great Barrier Reef by proposing a technology that would alter the density of clouds. We also explore how Farmdrop-- a service that allows consumers to purchase directly from independent farmers-- would cut back on food waste. And lastly, the use of coal continues to decline...which leads to this week’s endangered job.