Hydropower was long the country’s leading source of renewable energy, but it was passed in 2019 by wind and in 2025 by utility-scale solar. It’s still significant, though, with 5.6 percent of U.S.

More than 10 years after environmental groups petitioned for a new rule, the state plans to require the Central Valley Water ...

Destroying the facilities is a violation of international law that could cause a humanitarian crisis in the most water-scare region on Earth. Powering the plants with electricity from fossil fuels ...

In the world’s waters, fish are making a quiet, biological retreat. The once simple rules of the ocean—grow larger than potential predators—are being rewritten as temperatures reach record highs.

As Brent crude approaches $100 a barrel, clean energy advocates say the Hormuz crisis is the latest proof that fossil fuel dependence leaves consumers at the mercy of distant wars.

Emissions test results are in on the city’s 120 petroleum storage tanks. One activist scientist says they are high enough “to merit serious attention,” while a Citgo spokesman says the company is ...

On the day of one of the deadliest natural disasters in Hawaii’s history, Blake Kekoa Ramelb watched his hometown go up in ...

The Trump administration faced skepticism in court over its claim of an unfettered right to break contracts. But it’s not clear that can save efforts to sow a clean energy future with federal seed ...

Even as opposition grows and the U.S. territory maintains a moratorium on seabed mining, NOAA began a $20 million survey of ...

The EPA released its latest enforcement and compliance report and touted the agency’s crackdown on environmental crimes under the Trump administration, yet 75 percent of the criminal cases closed last ...

With gasoline and oil prices rising, U.S. consumers already are already feeling the effects of the Iran conflict and the consequences of a slow transition to cleaner alternatives.

After months of intense drought conditions, Kenya was inundated by rain late last week, triggering severe flooding that killed more than 40 people. In the country’s capital city, Nairobi, a month’s ...