RENEWABLE ENERGY

All four of Apple’s data centers, located in North Carolina, Oregon, Nevada and California, rely entirely on renewable energy.

Apple's video "Better" addresses its environmental footprint and displays its Nevada data center ahead of Earth Day.

Talk about an innovative technology: Oregon State University chemical engineers have achieved a breakthrough that will reduce costs.

After decades of trying, U.S. Navy scientists have finally cracked the technology to turn seawater into fuel.

As the controversy over the federal budget continues this month, the parties are split over energy policy.

Internet providers are greener than they used to be, but Amazon and Twitter are far behind, Greenpeace says.

A biotech company has patented a hybrid tree species that can grow in the toughest environments and will be used to create biofuel.

The survey shows strong demand for solar power, and if that endures the increase in solar deployment would continue.

Oil and gas industry lobbyists are pushing back against the Obama administration's budget requests.

The report by Greentech Solar and the Solar Energy Industries Assoc. also predicts 26% U.S. solar market growth in 2014.

Federico Capasso of Harvard is leading a team of researchers to engineer an innovative technology.

President Obama's Power Africa initiative is just gearing up with a groundbreaking geothermal project in Ethiopia.

Hawaii is trying to transition to 70% clean energy sources for electricity by 2030. Can the state make it?

The diverse advanced energy market generated about $1.1 trillion in global revenue last year.

Scientists may be one step closer to achieving cheaper and cleaner hydrogen production. A group of U.S. engineers has designed an artificial means of using solar energy to convert water into hydrogen and oxygen using an artificial “leaf.”

The plan developed by Stanford University includes an interactive map of the 50 states with custom energy portfolios.

Google's goal to be 100 percent powered by renewable energy is as much about the environment as it is about protecting the company's bottom line.

Boat workers are at risk from increased water traffic resulting from the boom in offshore wind farms.

Google, NRG Energy and BrightSource have created a solar tech that's testing the balance between clean energy and environmental impact.

Amid giant wind farms and solar panels, noxious fumes remind visitors that China's not done with coal yet.

From World War I to present day, the reasons for public support of renewable energy have varied.