Austria's largest state said Thursday that 100 percent of its electricity is now generated using renewable sources of energy.
A UConn researcher has developed a light-harvesting antenna that could double the efficiency of existing solar cell panels and make them cheaper to build.
Any plausible game plan for capping the rise of Earth's surface temperature depends on replacing fossil fuels with energy sources that generate little or no carbon pollution.
A lawsuit over climate change filed by 21 young Americans has gained the attention of the fossil fuel industry, which is joining the US government to oppose the kids' demands for sharper pollution cuts.
Using solar or wind power to produce carbon-based fuels, which are commonly called fossil fuels, might seem like a self-defeating approach to making a greener world. But when the starting material is carbon dioxide, which ...
Locking in an action plan to cap global warming at two degrees Celsius will be the ultimate yardstick for success or failure at the Paris climate summit that opens in a week.
A new study from the Department of Energy's Oak Ridge National Laboratory explains the mechanism behind a technology that converts bio-based ethanol into hydrocarbon blend-stocks for use as fossil fuel alternatives.
When President Barack Obama visited the shrinking Exit Glacier in September, he pointed to a very obvious sign of our warming planet literally at his feet.
Researchers from the Department of Civil and Environmental Engineering at Penn State have discovered an effective method to convert waste heat into hydrogen gas without the use of fossil fuels.
ExxonMobil is being investigated by New York state on whether it lied to the public about the risks of climate change, a spokesman for New York's top prosecutor said Thursday.