Conservation & Green Economy
Natural gas is expected to overtake coal to become the largest source of U.S. electrical generation by 2040.
There are ways to enjoy our new gadgets without a skyrocketing electric bill.
Scientists say climate change will not affect all regions of the world equally -- some places will get a lot less water, while others get a lot more.
Syntroleum, which has struggled with mounting financial losses, patent fights and production problems for years, announced it has found a buyer in Renewable Energy Group.
Reps. Peter DeFazio and Henry Waxman called for a hearing on whether earthquakes in Oklahoma and other states are being caused by activities related to hydraulic fracturing.
Sen. Dianne Feinstein of California has introduced a bill that would eliminate corn ethanol from the Renewable Fuel Standard as a way to limit the higher corn prices and rapid conversion of land to corn cultivation that increased ethanol production has caused.
A General Motors manufacturing facility in Rochester, N.Y., has no trash going to landfills.
As more and more of our electrical energy supply is furnished by renewables, ways to store that energy become increasingly important to the smartness of the grid.
Farmers say that the use of drones to survey crops and to monitor for disease has a promising future.
Millions of mobile phones, laptops, tablets, toys, digital cameras and other electronic devices bought this Christmas are destined to create a flood of dangerous "e-waste" that is being dumped illegally in developing countries, the UN has warned.
Rep. Raul Grijalva sent a letter co-signed by 24 other House Democrats to President Obama highlighting corporate conflicts of interest in the preparation of the pending Keystone XL environmental impact statement.
Wildlife officials in the northern Rockies say it's time to lift protections for grizzly bears in and around Yellowstone, a move some environmental groups say is premature.
President Obama's appointment of adviser John Podesta, an opponent of the Keystone XL oil sands pipeline, to the White House could foretell a rejection of the controversial Canada-to-Texas pipeline, environmental groups said.
Russian President Putin Tuesday vowed to expand his military presence in the Arctic a day after Canada said it would claim the North Pole as its own.
John Podesta, a former chief of staff under President Clinton, will join President Obama's inner circle for one year to focus on energy and climate change issues.