Solar Energy

A new study shows that poor air quality has reduced the amount of sunlight reaching China's solar installations, undermining the country's renewable energy efforts.

A new report from the Environmental Working Group claims that Duke Energy, the nation's largest utility, is holding back the transition away from fossil fuels.

The Senate confirms a former lobbyist as EPA head, the U.S. is losing solar jobs, and fishy sightings intrigue scientists.

A new study finds that installing solar panels on snow-covered mountains could help close the gap between demand and production during the winter months.

The new standard will bring the state closer to meeting its climate goals.

On the Pine Ridge Indian Reservation in South Dakota, Henry Red Cloud is leading a movement toward a sustainable energy future.

Trump intended for the tariff to protect American manufacturing jobs, but many in the American solar industry see it as a hindrance to solar panel production.

Your recap of a whirlwind opening at the 2015 United Nations climate summit.

Concentrated solar plants are a relatively new technology that has the potential to provide hundreds of thousands of homes with clean energy. So why hasn't it caught on?

In our final excerpt from his new book on the history of solar power, Let It Shine, author John Perlin describes a key moment in the debate over big, centralized solar sites and smaller, distributed rooftop panels.

In an excerpt from his new book Let It Shine, John Perlin reveals how one of the first actions of the new Reagan administration was to dim the lights on what had been a promising start for an American solar energy program. Solar in the U.S. has yet to fully recover.

In an excerpt from John Perlin’s new book, Let It Shine: The 6,000 Year Story of Solar Energy, the solar guru explains how making use of the sun's energy is anything but a new technology.

Solar concentrators are a hot weapon in the renewable energy arsenal. Except sometimes they really can be a weapon.

Wind and solar remain small components of the U.S. energy portfolio, but two new data points out this week suggest they're starting to to hit their stride.