Polar bear and cubs

Are Polar Bears Altruistic or Just Bad At Math?

Polar bear mothers are known to adopt and raise cubs from non-related litters. Why do they make a multi-year commitment to do it?
A christmas wreath

Wreath-Making in National Parks? In Mexico, Yes

Mexico created its national parks system in the 1930s. Today, hundreds of thousands of people live, and work, within its boundaries.
Cork oak (Quercus suber) pasture near Arcos de la Frontera, Cádiz, Spain.

Plant of the Month: Cork

Why is cork so strongly associated with bottle stoppers? The answer goes back centuries.
A solar-panel equipped ship moves down the Amazon River

Can Sustainable Travel in the Amazon Help Reduce Forest Fires?

A rainforest evangelist hopes that Brazil’s 55-million year old jungle can survive 21st century human impact.
Signage reading, Closed for Maintenance, on the side of an island road

This Island Is Closed for Maintenance

The Faroe Islands owe their untouched nature to their remote location and stormy climate. And to a weekend closure.
Barista Coffee Shop Cafe in Portland Oregon

How Portland Became a Hipster Utopia

How did Portland, Oregon become a hipster haven? While other cities declined in the 60s and 70s, Portland looked at what they did and planned the opposite.
Earthworm in soil

Maybe Earthworms Aren’t So Great For Soil After All

Earthworms are often portrayed as beneficial to the environment, but in North America's temperate forests, they are a disaster in action.
A crowded highway in the midst of snow falling

DIY Weather Forecasting

Are there better options for weather forecasting than educated guessing?
Stuffed Passenger Pigeon atop a wooden perch

Passengers Long Gone

Martha, last of the passenger pigeons.