Philippine solar light bottles offer hope

Filipino entrepreneur Illac Diaz is aiming to help a million poor people in a year, and with the help of some plastic bottles and a clever social media campaign may do even better.

First ever hybrid solar-coal power plant operating

(PhysOrg.com) -- The first ever hybrid solar-coal power plant is now operating at Unit 2 of the Cameo Generating Station near Palisade in Colorado. The demonstration project was built by Xcel Energy as part of its new Innovative ...

Researchers find potential new source of rare earth elements

Researchers have found a possible new source of rare earth elements—phosphate rock waste—and an environmentally friendly way to get them out, according to a study published in the Journal of Chemical Thermodynamics.

Obama calls for investment in clean energy

US President Barack Obama called on Congress Saturday to invest more money in clean energy technologies and end multi-billion-dollar subsidies given each year to oil companies.

Clean energy could lead to scarce materials

As the world moves toward greater use of low-carbon and zero-carbon energy sources, a possible bottleneck looms, according to a new MIT study: the supply of certain metals needed for key clean-energy technologies.

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