Understand how alternative energy and renewable resources are changing our world, from geothermal to nuclear.
The heat from the sun heats up metal oxides that in turn release oxygen atoms that mingle with steam. Hydrogen molecules can then be captured and stored.
Installation of the new White House solar panels began last week.
BETTER WAYS TO MAKE AND USE ELECTRICITY
Aging pipelines leak dangerous amounts of greenhouse gases into the atmosphere.
Massive wind farm is Britain's latest entry in the move away from fossil fuels.
Buffett's Berkshire Hathaway has agreed to acquire NV Energy, and Sen. Harry Reid wants to help.
The unusual gag order case affects two Pennsylvania children, ages 7 and 10.
These aren't your father's turbines. They can create more electricity at lower wind speeds and also do a better job of analyzing and predicting the supply of wind energy.
With the government approval of fracking in many states, along with steady growth in wind and solar energy, 2012 saw the highest rate of alternative energy sources in the United States.
The energy-services giant will plead guilty to destroying evidence after the 2010 Deepwater Horizon oil spill, according to the U.S. Justice Department.
Workers fled the leaking natural gas well hours before it caught fire, once again shedding light on the Gulf of Mexico's risky relationship with offshore drilling.
The greenhouse gases produced by power plants could be a source of electricity, according to new research.
New study says it's not about the best light, but where solar and wind can do the most good.
These high-tech devices work in decidedly unexpected ways, often converting human energy into electricity.
President Obama has recently prioritized a reduction in carbon dioxide emissions despite ever-growing U.S. industry. The answer may be storing emissions in subterranean rock throughout the country.
If solar panels are out of your realm of possibility, you still have alternatives to coal and other fossil fuels.
Activist and author blogs about politics, energy and Earth's resources.
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Science journalist blogs about humans and other wildlife.