The once-booming clean-tech industry is facing hard times, in part because of cheaper natural gas, the effects of the financial crisis, China's growing solar industry and the Solyndra bankruptcy. Reporter Juliet Eilperin, who covers the industry's struggles in Wired's February issue, explains.
BP released millions of gallons of dispersants to break up oil from the Deepwater Horizon disaster. But what if dispersants could be sucked up again after doing their job? Chemist Julian Eastoe talks about an iron-containing soap he's created that can be recaptured using a magnet.
Community opposition helped sink plans for a nuclear waste repository in Nevada's Yucca Mountain. Meanwhile, thousands of tons of radioactive waste are piling up at temporary storage sites around the country. As the U.S. once again looks for a new permanent storage site, an expert panel says local buy in will be key.
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