Companies say they're closing in on nuclear fusion as an energy source. Will it work?
For decades, government scientists have toiled away trying to make nuclear fusion work. Will commercial companies sprint to the finish?
Environment
Health is on the agenda at UN climate negotiations. Here's why that's a big deal
Advocates say human-driven climate change is hurting people's health worldwide–but taking action like reducing reliance on fossil fuels lowers risks immediately.
Wolves are returning to Colorado. But is it too crowded for them to thrive?
Colorado's booming urban population flipped the state from red to blue, allowing a referendum on reintroducing wolves to pass. But that growing population now may be too big for them to thrive.
Why solar-powered canoes could be good for the future of the rainforest
The Indigenous Achuar people in Ecuador's Amazon rainforest sail in six solar-powered canoes. And it's not just to save money on fuel — the trees of the rainforest will benefit too.
EPA aims to slash the oil industry's climate-warming methane pollution
New EPA rules require oil and gas companies to slash climate-changing methane from their operations.
The iceberg cometh: It's the size of Oahu, and it's moving into the open ocean
"It's a trillion tons of ice," as one expert told NPR. Now the largest iceberg in the world, A23a, is on the move after decades of being grounded on the seafloor.
A proposed new rule from the EPA says U.S. cities need to replace lead water pipes
NPR's Leila Fadel talks to Flint resident Melissa Mays, a clean water activist, about the EPA's proposed rule that most U.S. cities will have to replace lead water pipes within the next 10 years.
At climate summit, nations want more from the U.S.: 'There's just a trust deficit'
The United States looms large at the COP28 climate summit in Dubai. Historically, it's responsible for more greenhouse gas emissions than any other nation. But it's also key for major breakthroughs.
Countries promise millions for damages from climate change. So how would that work?
A historic agreement at the international climate talks will provide hundreds of millions of dollars for developing countries. It's nowhere near enough.
EPA proposes new rule to require nationwide replacement of lead pipes
Under the Biden Administration's new guidance, most U.S. cities would have to replace lead pipes within the next 10 years. About 9 million lead pipes are still bringing water into American buildings.