Incredible Images of Algal Blooms Taken From Space

April 8, 2015 6:24 PM

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Up close, algae looks like a scummy version of grass—slippery, mucky, and just downright disgusting. From far away, though, it creates an impressive cloud of living soft color, gently drifting underwater. From a satellite’s point of view, hundreds of miles above Earth, algal blooms are lovely to look at. Yet they pose a wicked danger to human health if left unchecked.

Yesterday, NASA announced a new $3.6 million project to observe and measure the threat of algal blooms to freshwaters around the United States—by turning to the beautiful, sky-high images from the agency’s satellites. In collaboration with the Environmental Protection Agency, US Geological Survey, a...

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