The solar-powered EV ARC charger has a key advantage: portability.
A Silicon Valley start-up has invented an energy storage device that could take an entire neighborhood off the grid.
A new pipeline massively expanded the amount of natural gas flowing into Manhattan.
A smart plan to warm homes with heat recycled from the London Underground.
We claim to care about where our apples are grown, but few of us question the costs associated with relying on external energy to drive economic growth.
Amazingly, half the cuts came from reductions in household energy use.
The architectural giants are as beautiful as they are ominous.
Officers explain in their own words what happens when city services can't keep up with a population explosion.
How do you reduce the greenhouse gas emissions of skyscrapers? For starters, make a chart.
People who received postcards saying their energy use was being tracked reduced their consumption by 2.7 percent.
How Texas and North Dakota won the recovery.
According to a new study, the carbon emissions of urbanites and suburbanites are more or less even.
The secret sauce of the city's success might come down to history, and an ability to learn from past mistakes.
Soon there will be a windmill for your exhale, too.
Rejoice, America: Researchers say the nation is equipped to produce "serious amounts" of algae biofuel.
Texas leads the nation in wind power; in Washington, hydroelectric dams provide 60 percent of the state’s energy.
Some surprisingly not-so-unrealistic plans to capture unused energy all around us.
It's a misleading metric that actually tells us very little about efficiency.
Two years after Fukushima, some American nuclear power plants are still having scares.
The five participating employers were able to reduce peak-load demand by more than 20 percent.