Quaint cobblestone towns and green pastures dot the Pyrenees Mountains, at the gates of Catalonia’s Aigüestortes i Estany de Sant Maurici National Park. Hike a few miles into the park, though, and the Spanish landscape of trickling rivers and montane meadows looks relatively untouched by people. Visit almost any national park, and it’s a similar story, with tourist towns, farms, and other development lapping at the edges of conserved lands. But just how much does the landscape change at these fringes over time compared with the protected areas?

Hearing people talk can terrify even top predators such as mountain lions, with consequences that ripple through entire ecosystems.

It’s increasingly clear that our situation is worse than we’ve been told, perhaps far, far worse. By Kollibri terre Sonnenblume.

Criticising agreement, former president says Pacific archipelago is 'not for gringo use.' By Tom Embury-Dennis.

As we grind up against the absolute limits of humanity’s use and misuse of our environment, it’s tempting to look to Silent Spring and ask why it had such a profound impact. By Meehan Crist.

Until quite recently in human history, and an eyeblink in the history of Earth’s ecologies, wild horses lived across much of the planet. By Brandon Keim.

Amazon has been embroiled in a 7-year dispute with Brazil and Peru over the domain name. By Matt Binder.

The Amazon is at risk from mining in French Guiana and it is the French Foreign Legion's job to protect it.

"Anyone who denies that we are in a human-induced extinction crisis is either lying or not paying attention." By Jon Queally.

Focusing on breath and gratitude, Dahr Jamail’s latest book, “The End of Ice: Bearing Witness and Finding Meaning in the Path of Climate Disruption,” stitches together personal introspection and gut-wrenching interviews with leading climate experts. By Elise Swain.

A new movement is demanding solutions. They may just be in time to save the planet. By David Graeber.

The absence of the tiniest creature can shape the world in the biggest way. By Robert Krulwich.

These five countries are making positive global contributions to the planet and climate, according to the Good Country Index.

On Haida Gwaii, British Columbia, culling deer is an act of cultural and ecological restoration. By Leslie Anthony.

“There’s nothing in the taste that tells you what you are eating is about to kill you.”

Milkmen and milkwomen are making a comeback in London as millennials have started using glass milk bottles in a bid to cut down plastic waste. Dairies in the capital told of a "phenomenal" upsurge in interest from younger customers at the start of the year amid growing public upset over plastic waste.

Under the Real ID Act, Secretary of Homeland Security Kirstjen Nielsen has the power to bypass environmental safeguards, rendering any ecological downside to a border wall a moot point. By Jimmy Tobias.

Cyanobacteria were recently, and unexpectedly, found living in "the dark biosphere," thousands of feet underground. By Mindy Weisberger. (Oct. 3, 2018)

Bees evolved from wasp ancestors around 100 million years ago. Their shift to a vegetarian diet had a profound effect on the evolution of flowering plants. By Tim Flannery.

Two elusive predators, the lynx and the fisher, battle to the death in the snowstorms of New England. By Joshua Rapp Learn.