Wind energy has come a long way. Today it's more efficient and cheaper than ever. What do you think you know about wind energy that isn't true?
The rural town !Kheis in South Africa is cooler than ever before with a simple, energy-efficient technology to keep buildings cool.
It only took a few years — and good planning — to make big oil producer Texas the leader in U.S. wind energy.
Gracie the border collie brings a special skill set to Glacier National Park: keeping the wildlife living in the park safe from their visitors.
Companies are working to make their supply chains greener as part of their push for energy efficiency and other environmentally friendly business practices.
Texas may be known for its oil and gas, but one city there plans to get nearly all of its electricity from renewables, such as wind and solar.
A company in Washington trains young men and women to install solar panels in low-income communities at no cost to residents.
Homeowners and businesses that rely on solar panels and wind turbines have cheaper electric bills, thanks to a system called “net metering.”
Different technologies capture the sun's light or heat to generate power. It may be done on a large or small scale.