Science

When John Mestas’ ancestors moved to Colorado over 100 years ago to raise sheep in the San Luis Valley, they...

A team of scientists led by former NASA climate researcher James Hansen, who formally raised the alarm about climate change...

If you want to see the Colorado River change in real time, head to Lake Powell. At the nation’s second-largest...

Water storage in many of the world’s biggest lakes has declined sharply in the last 30 years, according to a...

The climate-warming emissions from the world’s 88 largest fossil fuel companies and cement manufacturers are behind more than one third...

Seabirds evolved about 60 million years ago, as Earth’s continents drifted toward their current positions and modern oceans took shape....

The aerosol fallout from wildfires that burned across more than 70,000 square miles of Australia in 2019 and 2020 was...

ORLANDO, Fla.—In 1948, work got underway in the Florida Everglades on a public works project hailed as the nation’s largest,...

Twelve chemical plants in China and the United States emit a potent climate pollutant with collective emissions equal to the...

With the planet warming by a fraction of a degree every few years, glaciers melting away in a trickle and...