FORTUNE OR FOLLY?
A growing private industry wants to mine precious metals out from the depths of the ocean. The resource gains may not outweigh the environmental costs.
Ashley Balzer Vigil writes about astrophysics for NASA's Goddard Space Flight Center by day and moonlights as a freelance environmental writer. She holds a master's degree in space studies from the University of North Dakota and is currently completing another master's in science writing from Johns Hopkins University. She writes most articles with her toddler on her lap.
Paradise Found
A mysterious mineral that makes beaches on Earth green could be a massively powerful way to suck up carbon dioxide.