Earth

Environment

Heat waves in U.S. rivers are on the rise. Here’s why that’s a problem

In recent years, heat waves in U.S. rivers have gotten more frequent, causing trouble for fish, plants and water quality.

Earth

50 years ago, scientists found a new way to clean up oil spills

In the 1970s, researchers added chemicals to the list of oil spill cleanup methods. Soon, they may add microbes.

Animals

Tree-climbing carnivores called fishers are back in Washington’s forests

Thanks to a 14-year reintroduction effort, fishers, or “tree wolverines,” are once again climbing and hunting in Washington’s forests after fur trapping and habitat loss wiped them out.

Climate

Climate change could turn some blue lakes to green or brown

As temperatures rise, more than 1 in 10 of the world’s blue lakes could change color, reflecting holistic shifts in lake ecosystems.

Earth

50 years ago, scientists dug into Pangaea’s past lives

In 1972, scientists wondered whether Pangaea was Earth’s only supercontinent. Fifty years later, we know it wasn’t the first and it won’t be the last.

Climate

Gas flares are leaking five times as much methane than previously thought

The flares burn off methane at 91 percent efficiency. Achieving 98 percent efficiency would be like taking nearly 3 million cars off the road.

Planetary Science

Robin Wordsworth re-creates the atmosphere of ancient Mars

Robin Wordsworth studies the climates of Mars and other alien worlds to find out whether they could support life.

Science & Society

Big questions inspire the scientists on this year’s SN 10 list

These scientists to watch study climate change, alien worlds, human evolution, the coronavirus and more.

Earth

Jacky Austermann looks to the solid earth for clues to sea level rise

Jacky Austermann’s work could help inform practical climate change solutions for at-risk coastal cities.

Ecosystems

‘Fen, Bog & Swamp’ reminds readers why peatlands matter

In her latest book, author Annie Proulx chronicles people’s long history with peatlands and examines the ecological value of these overlooked places.

Ecosystems

A Caribbean island gets everyone involved in protecting beloved species

Scientists on Saba are introducing island residents to conservation of Caribbean orchids, red-billed tropicbirds and urchins.

Environment

Mangrove forests expand and contract with a lunar cycle

The carbon-sequestering trees grow in a roughly 18-year cycle according to tides influenced by the moon’s orbit, a study in Australia finds.