A 30-story hotel goes up in China in just 15 days, and a fully customized elementary or high school in the U.S. can be ordered “in a box.” These phenomena speak volumes about the future of building.

Oil and gas operations in the United States produce about 21 billion barrels of wastewater per year. The saltiness of the water and the organic contaminants it contains have traditionally made treatment difficult and expensive.

Google is putting up $300 million as part of a $750 million SolarCity fund meant to encourage solar energy in homes in the United States.

Apple is investing in a vast solar plant in Northern California that will generate as much electricity as the company uses to power all its operations in the state.

Apple is investing in a vast solar plant in Northern California that will generate as much electricity as the company uses to power all its operations in the state.

The Southern California desert is now home to the world’s largest solar power plant.

The Southern California desert is now home to the world’s largest solar power plant.

Energy is the lifeblood of the economy. It powers our homes and businesses, and supports critical government services that ensure our public safety.

The Energy Department today announced final rules for a prize competition to make it faster, cheaper, and easier for Americans to install solar energy systems and spur solar deployment nationwide. 

The Energy Department today announced final rules for a prize competition to make it faster, cheaper, and easier for Americans to install solar energy systems and spur solar deployment nationwide.