Wind energy costs approach nonrenewable levels

Wind energy and other renewables can now supply electricity at highly cost effective levels—and it's happened so rapidly that public perception is yet to catch up

Earth's rarest metals ranked in supply risk list

(PhysOrg.com) -- A new list published by the British Geological Survey, or BGS, ranks 52 of Earth's elements based on their risk of supply disruption. Andrew Bloodworth, from BGS, points out that the likelihood of the world ...

Self-cooling solar cells boost power, last longer

Scientists may have overcome one of the major hurdles in developing high-efficiency, long-lasting solar cells—keeping them cool, even in the blistering heat of the noonday Sun.

Hydroelectric generator can be carried like a backpack

Bourne Energy, a company based in Malibu, California, specializes in a variety of hydropower systems. While most of its technology is for large-scale applications, with multiple units generating energy on the megawatt scale, ...

The fluorescent future of solar cells

(Phys.org) —For some solar cells, the future may be fluorescent. Scientists at Yale have improved the ability of a promising type of solar cell to absorb light and convert it into electrical power by adding a fluorescent ...

Tofu ingredient could revolutionise solar panel manufacture

(Phys.org) —The chemical used to make tofu and bath salts could also replace a highly toxic and expensive substance used to make solar cells, a University study published in the journal Nature has revealed.

How to curb emissions? Put a price on carbon

Literally putting a price on carbon pollution and other greenhouse gasses is the best approach for nurturing the rapid growth of renewable energy and reducing emissions.

Firms push hydrogen as top green energy source

Over a dozen leading European and Asian firms have teamed up to promote the use of hydrogen as a clean fuel and cut the production of harmful gasses that lead to global warming.

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