Clean Energy

US hits 180 GW of solar power. Here’s how we get to 1,000 by 2035.
Which technologies will enable a cleaner steel industry?
Six innovative ways to float skyscraper-sized wind turbines
US will accelerate geothermal exploration on federal land
World’s biggest battery maker unveils grid-scale storage system
Future nuclear power reactors could rely on molten salts — but what about corrosion?
Why aren’t there solar-powered cars?
Why batteries come in so many sizes and shapes
Even as the fusion era dawns, we’re still in the Steam Age
This startup is making natural gas from sunlight, water, and air