Alternative Energy Technology

Renewable energy is beginning to replace diesel in cell-phone networks

Concentrated solar power may surpass photovoltaics as the solar technology of choice because the sun's heat is more easily stored

Scientific American’s trip to this year’s International Consumer Electronics Show turned up some oddities

All the provinces coal-burning power plants will be shuttered by 2014, making the Canadian province the first coal-free jurisdiction in North America

Energy, free speech and health care lead the list of urgent policy decisions for the next four years

If the world can't manage to cast off the ultimate weapons by the middle of the century, we may face extinction

Superstorms, electric cars, alternative fuels and Arctic sea ice all made environmental news in 2012. David Biello reports

A Canadian researcher hopes to prove that by running CO2 through pulverized rock, he can both capture the greenhouse gas and sell the resulting carbonate

A solar-powered boat sailed around the world this year, now a team of Swiss technologists hope to fly across the U.S. powered strictly by sunshine

Will the bill giving everyday Americans the opportunity to invest in clean energy pass in Congress?

Founded during the Gold Rush in the 19th century, Colorado town has found a way to cut energy use without sacrificing activity or comfort

A mix of offshore and onshore wind, along with contributions from solar power, could provide reliable and cost-effective power flow during all but a handful of days in a hypothetical four-year period under study