Research indicates that the cost of charging your iPad over the course of a year runs a whopping... $1.36.
The Washington Post's Charles Lane argues we should abandon clean energy investment and cede that industry to China.
A study from the National Renewable Energy Laboratory demonstrates that an energy mix that is 80 percent renewable in 2050 could operate fine. If only we had the will to create it.
But then, so is everyone else in the state. The utilities commission broke down electricity use; we made jokes about it.
A city council decision to invest $15 million in efficient lighting is not only a smart move, it's part of a great tradition started in Silicon Valley.
To understand the promise of renewable energy for the U.S. military, start as far from D.C. as possible -- say, with a company of Marines in Afghanistan.
Gundersen Lutheran Hospital, in La Crosse, Wis., aims to be energy independent by 2014. Hospitals use a ton of energy, so that’s a tough goal to meet. But Gundersen is getting there by piggybacking on Wisconsin’s best-known industries: beer and …
Buying wind power or giving your house an energy efficiency facelift can be an expensive proposition. But it’s less so if you team up with a bunch of like-minded friends.
George W. Bush signed a law requiring that new federal buildings gradually eliminate consumption of fossil-fuel energy by 2030. Now the natural gas industry is trying to kill the rule.