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Teens are breaking trail in the backcountry well before they can drink, vote, or even drive. Avalanche educators are hustling to get to them early.

Idaho is the first Western state to take some action on dangerous cyanide traps, but it's not enough

A large Canadian gear retailer is working on a project to trace the microplastics that come off its apparel in the wash and prevent them from entering local waterways

A new book by two philosophy scholars imagines conversations with skeptics and deniers. Here are four lessons we learned from it.

A new book and movie explore the causes, legacy, and drama of the oil spill. But neither probe deeply enough.

Gear and apparel manufacturers are big chemical users. A new overhaul of the Toxic Substances Control Act has them scrambling to innovate—minus the toxins.

The brand commissioned a study to find out how many synthetic microfibers—the tiny bits of plastic that marine scientists say could be jeopardizing our oceans—are shed from its jackets in the wash. The results aren't pretty.

The acclaimed nature writer's portraits of 12 parks go beyond perfect postcard tributes, and the resulting book couldn't have come at a better time

Yvon Chouinard thinks environmental activists could learn a thing or two from businesspeople, even if—as he puts it—businesspeople are sleazeballs

New study finds that fish are ingesting large quantities of fibers that likely came off your outerwear in the wash and flowed into the sea.

Washing a single polyester jacket can send 1,900 tiny synthetic micro-fibers into waterways, where they can soak up toxins and get eaten by fish. So what is the outdoor industry doing about it?

Patagonia pulled on a thread and found migrant workers suffering under servitude in its supply chain. Will its disclosures prompt other brands to air their dirty laundry (or even look for it) as well?

It maps waves, predicts conditions, turns surfers into citizen scientists, and could be the data-collecting tool climate scientists need to study our rapidly acidifying oceans.

Record low snowpack in the Golden State means lower streams and, sadly, fewer opportunities to fish and paddle.

Patagonia is upping its own environmental ante with a $1 million investment in Beyond Surface Technologies, a Swiss company that’s pushing petrochemicals out of the gear closet

Climate change is opening up more than ice fields—it's stoking a new tourism economy.

North Carolina State University wants to sell off Hofmann Forest for $150 million. Is that such a bad thing?

Nearly unlimited transit and trail data is coming to an app near you. And whether you're seeking singletrack or chasing a commuter train, that's a very big deal.

Newly prescribed pollution limits are sure to push coal further out of the U.S. energy mix—but overseas demand might help keep coal cranking stateside.

Last year, a lone wolf became the first to enter California in nearly a century. Now, with his own Twitter feed and a new mate, he's kind of a big deal.

Green biz expert and author of The Big Pivot Andrew Winston says that how much we buy and consume may not be the root of our environmental woes.

A showdown at a Utah canyon pits ATV users against the BLM. But the real operators in public-land disputes are out of view—and out to use sportsmen to advance their cause.

Some climate scientists argue that it's getting warmer faster at high altitude. And that could spell disaster for mountaineers.

That fancy exfoliating wash cream you just dropped a bundle on? It may be full of "microbeads" and mucking up some major waterways.

Some in congress want to change a bill that allows presidents to designate national monuments. Should we care?

Harrison Ford, Jessica Alba, Arnold Schwarzenegger, Mark Bittman and other mega-celebs lend a hand to the new Showtime series, Years of Living Dangerously—where Hollywood meets wake-up call.

Here's the good news and the bad news: You won't have to worry about sunscreen or getting pitched into the river.

Conservations want the iconic animals to roam free once again. But many ranchers believe rewilding is a really bad idea.

A new study indicates that climate change will bring the disease, and the bugs that carry it, previously uninfected areas.

A bold trend is washing across large-scale manufacturing—and it might make a big, earth-friendly impact on your favorite clothing and gear.

Rumbling tankers, military ops, oil and gas exploration—the ocean's turning into a noisy mosh pit and it's having a devastating effect on precious marine habitat

A rare ice bridge between Isle Royale National Park and the mainland offers a lifeline to the island's dwindling wolf pack.

A consortium of wildlife advocates, NGOs, and investigative journalists have developed a website through which witnesses can report poaching and illegal logging—without risking their own lives.

Tapping satellites, birders, sensors, and park rangers, eco-crusaders are turning massive data sets into powerful tools to help the planet.

Thousands of protestors are rallying against a shark-killing program following a spike in fatal attacks, but supporters include some surfers.

In the latest auto-palooza, trucks trim weight and boost efficiency, while cars of all types get greener than ever.

Let's just say the dry spell means much more than an epically awful ski season.

Looking for your next getaway? Consider putting your money—and time—in a place that is more than postcard pretty.

A warming habitat—and a changing Antarctic landscape—have forced the iconic wobblers to take to high ground, ascending precipitous frozen cliffs in the process. But how is the question.

A nonprofit that grades U.S. ski areas on their environmental friendliness wants you (and them) to take its report seriously. But navigating the details feels like skiing through crud.

An Oregon mechanic and electric-vehicle rock star wants to turn his iconic Franken-van into the ultimate earth-friendly camper.

Hey, why shouldn't sweet holiday swag help save the planet? Here are 5 gifts that give back.

A new book, DEEP, digs into the science and emotion swirling around climate change and how it will impact the ski industry.

A clean, green, LEED-certified hostel in south Chattanooga where athletes of all stripes feel at home.

By December 2015, Yellowstone National Park wants snowmobiles to be quieter than a Cadillac's interior

Plastic toys, on the other hand, rule! That's the takeaway from a recent Toys"R"Us advertisement. Fortunately, some recent public policy changes bode well for getting kids in need more than free toys.

It took 13 years to broker a land exchange in Summit County, Colorado. But the results appear to be worth the wait.

Facing a future in which big, cold winters are becoming as rare as monoskis, some titans of the snowsports industry compared notes.

The film, directed by anthropologist Pegi Vail, takes a critical look at how and why we inadvertently love places to death.

In the southern Appalachians, one man found that he could stoke a new generation of trail workers with some very old technology.

A new documentary features scientists, policy makers and activists who are all wrangling for a cleaner, clearer lake. Watch the full film here.

Warming, polluted waters and increasingly acidic ocean chemistry are landing a one-two punch on marine ecosystems and reef colonies. A new database brings dying corals to the surface.

Government shutdown be damned, an all-star team of ski and snowboard bigwigs converged in D.C. this week to support Obama's climate plan.

A San Francisco Bay Area man wants you to get on the water—without getting off your bike

The ocean health and access advocacy group has picked a battle with a wealthy California landowner and the outcome could set an important precedent around recreational beach access.

The course for last weekend's Red Earth Mountain Bike Race in Ishpeming, Michigan, cruised past the ghosts of mining's past—but was underwritten by mining's present.

A years-long battle has so far kept Oregon's Timberline Ski Resort from building a mountain bike park. We take a snapshot of the bigger picture.

Jaw-dropping fall drives that lead to drool-inducing DIY dishes

Can you hear us now, wolves? How 'bout now? "Non-consumptive" uses of wolves are increasingly popular in the Upper Midwest, but they could turn into too much of a good thing.

In order to determine how 400-foot, 2,000-year-old Redwoods are fairing in our changing climate, this Berkeley researcher puts on his climbing harness.

Starting this week, Sampson, a rescued Labrador with Conservation Canines, will sniff out a very rare and endangered salamander in New Mexico's Jemez Mountains.

Does the National Park Service need to offer WiFi, cell service and RV hookups to survive?

Welcome to Deerlandia, where we kill deer and they kill us. Too bad it's not a spoof.

Where can I swim, and is it going to kill me?

Dams removed from Western rivers get the lion share of attention, but nearly 100 dams have been removed from waterways in Northeast since 1991.

The Chokecherry/Sierra Madre wind farm promises to spin up enough electrons to power a million homes, but the project is also a poster child for the fears and anxieties renewable energy can bring to rural America— and to anglers.

A bill to declare lunar national park would have the United States lay claim to the moon—or at least, the stuff we left up there.

The battle over a major mining project in Wisconsin's Penokee Hills used to be based on environmental impacts, recreation access, and jobs. Now it's about heavily-armed militia groups brought in to protect mine workers from "eco-terrorist types."

An upcoming film from snowboarder Jeremy Jones aims to get the word out on an energy story that dwarfs the proposed Keystone XL pipeline.

What would summer be without access to clean water for swimming, fishing, surfing and paddling? It would probably be about as fun as summer without access to good beer.

He was a passionate crusader for conservation and alternative energy, but his first love and last steps were in the wild.

Austin Smith and Bryan Fox said no to energy drinks, and in the process said yes to clean water.

What made this former legislative aide ditch Capitol Hill for the life of a wandering fly fisherman? The fish, of course.

The U.S. Fish and Wildlife agency is making its long-awaited move to lift federal protections for the gray wolf while focusing more resources on Mexican wolf recovery. But the fate of the species remains unclear.

Will Grand Rapids, Michigan, soon become the Boulder, Colorado, of the Midwest? Two paddlers are on the path to making it happen.

Cruise lines are big on luxury, with an environmental impact to match. With outdated regulations and uneven cleanup efforts, there may be rough seas ahead for the industry (and the environment).

Long-distance cyclists are photographing roadkill in an effort to help scientists determine how to protect various species. A new app can help you do the same.

A final directive caps years of debate over whether climbing anchors should be allowed inside National Park wilderness. But questions still remain around just how the policy will be enacted—and what impacts it will have on climbing and the environment.

Pushing the pedals on a regular basis is a great start, but if you really want to back cycling during National Bike Month, you have to make your voice heard, too. Start with these ideas.

Environmentalists gain an unlikely ally