Clean energy least costly to power America's electricity needs

It's less costly to get electricity from wind turbines and solar panels than coal-fired power plants when climate change costs and other health impacts are factored in, according to a new study published in Springer's Journal ...

Coal more risky than renewables

Coal-fired electricity may have little or no economic future in Australia, even if carbon capture and storage becomes commercially available, a new analysis has found.

Americans continue to use more renewable energy sources

Americans used more natural gas, solar panels and wind turbines and less coal to generate electricity in 2012, according to the most recent U.S. energy charts released by Lawrence Livermore National Laboratory.

Policy issues plague hydropower as wind power backup

Theoretically, hydropower can step in when wind turbines go still, but barriers to this non-polluting resource serving as a backup are largely policy- and regulation-based, according to Penn State researchers.

Wind farm plan on French D-Day sites fans controversy

A French plan to set up wind turbines near the site of the D-Day landings that changed the course of World War II has enraged many who say it desecrates the memory of the liberators.

Stellar winds may electrify exoplanets

(Phys.org) —The strangest class of exoplanets found to date might be even stranger than astronomers have thought. A new model suggests that they are partially heated by electric currents linked to their host stars. Florida ...

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