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An artist's rendering of AeroMINES along the edge of a roof and combined with solar arrays. Sandia National Laboratories

By Andrea Thompson

Solar panels perched on the roofs of houses and other buildings are an increasingly common sight in the U.S., but rooftop wind systems have never caught on. Past efforts to scale down the towering turbines that generate wind power to something that might sit on a home have been plagued by too many technical problems to make such devices practical. Now, however, a new design could circumvent those issues by harnessing the same principle that creates lift for airplane wings.

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Char and sockeye salmon moving upstream. Salmon are high in the omega-3 fatty acid DHA. Jonny Armstrong / USGS

By Bret Stetka

Glaciers continue to melt. Sea levels are on the rise. And now scientists believe the changing climate may put our brains at risk. A new analysis predicts that by 2100, increasing water temperatures brought on by a warming planet could result in 96 percent of the world's population not having access to an omega-3 fatty acid crucial to brain health and function.

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Obama's EPA chief visited Los Angeles to get a first-hand view of LA River revitalization efforts in Nov 2013. Los Angeles District / Flickr

By Andrea Thompson

In the debate over how to respond to the perils posed by the earth's changing climate, the ground has been rapidly shifting in recent years: as the Trump administration has retreated from efforts to curb greenhouse gas emissions and engage in climate diplomacy and public demand for action has grown — particularly among younger generations — cities and states have stepped into the breach.

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