John Tyndall's setup for measuring radiant heat absorption by gases

How 19th Century Scientists Predicted Global Warming

Today’s headlines make climate change seem like a recent discovery. But Eunice Newton Foote and others have been piecing it together for centuries.
Two people gathering seeds

Can Crops’ Wild Relatives Save Troubled Agriculture?

Cultivating a limited number of crops reduced the genetic diversity of plants, endangering harvests. Seed collectors hope to fix it by finding the plants’ wild cousins.
A person swimming near a coral reef

Can Eco-Tourism Save Coral Reefs?

Eco-tourism can be a boon—or an ecosystem destroyer.
A drone delivering a package

The Drone Will See You Now

As drones become normalized, companies like Zipline are using them to deliver life-saving medicines to faraway places.
Artificial snow Switzerland

The Real Problem with Artificial Snow

As the climate changes, snowfall in many areas has decreased. As natural snow is replaced with artificial snow, what is the environmental impact?
Paul Lussier

On the Side of Climate Solutions: An Interview with Paul Lussier

Paul Lussier on how to energize people, work with business, and develop solution-focused rhetoric and strategy before it’s too late.
NOAA researcher prepares to release an ozone sonde

Do We Still Need to Worry About the Hole in the Ozone Layer?

The world tends to forget about the annual ozone hole that appears over Antarctica, though we're facing huge and complex environmental concerns.
Zika_Mosquito

What Do We Lose When We Lose a Species?

Debates about the moral value of biodiversity are longstanding in the world of environmental ethics, and the issue is far from settled.
tiny fur tree growing after forest fire

It’s the End of the World as We Know It. Is there Any Room for Optimism?

Climate scientists tend to be optimistic and have faith that humanity can engineer our way out of the climate change we’ve created.
dead fish float in a polluted river

A Dead Fish “Vitamin Pill,” Microbes that Put Dinner on the Table, and a Truck that Runs On Cow Manure

From microbial biochemistry to recycling dead fish to manure-to-energy converters, here’s this week’s most surprising sustainability news.