The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...

The city is one of only two in California and four on the West Coast still operating a combined sewer system—a century-old ...

On a shelf next to my desk, I keep the books that shaped how I think about our planet—and how I cover it as a journalist ...

Low iron levels in early pregnancy significantly increase the risk of babies being born with heart disease, groundbreaking ...

Former Vice President Al Gore speaking at the San Francisco Climate Week Conference compared some Trump administration ...

While the Earth Day movement has helped raise awareness about human-amplified climate change and has led to some regulatory ...

Pope Francis was quick to grasp the risks posed by climate change. But his tenure showed humanity’s limits in confronting the ...

Extreme weather-related disasters are increasing in frequency around the world. See how climate change affected different ...

Levels of carbon dioxide — the most abundant planet-warming gas in the air — jumped up by a record amount in 2024.

These documentaries explore everything from the rise of the antiregulatory movement, to the choices people face when their homes are threatened by rising seas.

Earth Day 2025 is a time of both progress and regression, with Donald Trump’s agenda potentially undoing much of the progress ...