Our dependence on big systems--big oil, big coal--steers us away from little ones, such as biofuel made from garbage, that are transforming communities in other countries
The importance of global landscapes
Time will tell if natural gas is a bridge or a brick wall.
If fossil fuels are to remain a large part of the nation's energy mix, engineers need to reduce their environmental impacts.
Reinventing the array could usher in a new age for solar.
To green or not to green?
Big Bang Theory IRL
Addressing the American Geophysical Union, James Hansen urges fellow scientists to study, share facts on nuclear energy
Tastes like chicken, runs like diesel
Like Darpa on the military side, the new agency for stoking energy innovation awards $151 million to big ideas
Some major wave energy installations are planned for the U.K. and the U.S.
How water could be harnessed for roughly a third of U.S. annual electricity usage
A U.S. Forest Service program tries to make lemons into lemonade.