These athletes got to the top of their sports without meat.

Anas Cheema, a 22-year-old economics student at the University of Victoria, decided to dedicate his summer.

Each of us is a cloud of microscopic particles, chemicals and microorganisms swirling around us that's always there. It's called an exposome, and it's unique.

Part of the Keystone oil pipeline was shut down after a 5,000-barrel leak in South Dakota, the pipeline's operator TransCanada said.

In new video, kids ask President Obama to end mountaintop removal mining.

Chanie Kirschner remembers a time long ago when no one had cell phones.

Gross or practical? Soon you may be able to charge your phone by plugging it into the urinal.

An heirloom tomato has been named after Michael Pollan. The "Michael Pollan" tomato is an oddly shaped green and yellow tomato.

Video: Join Danielle V as she plans an eco-friendly and socially conscious Super Bowl party.

Serving chili, jambalaya or chips n' dip at your Superbowl 44 shindig? Make sure your cupboards are stocked with bowls made from eco-materials.

In a down economy, weddings for 2 instead of 200 are on the upswing (and they're more eco-friendly and personal, too).

You may feel overwhelmed with planning lots of food and buying decorations. We have simple tips to help minimize your waste at the end of the big game.

Camping's not your thing? Here are helpful tips for people who don't like to camp.

Fire lookout towers found in numerous national forests have been converted into campsites-in-the-sky.

Open to biking, kayaking and cross-country skiing, this 15,000-mile-trail isn't your run-of-the-mill recreational trail.

It's 'open season on open space,' according to The Cultural Landscape Foundation's 2017 'Landslide' report.

The technologically advanced Stoosbahn ascends and descends over 2,000 feet in about four minutes.

Here are some quirky towns with their own distinct vibe that are worth a visit ... and might be a place you'd like to settle down.

The Danish capital's urban 'parkipelago' will eventually include a sauna, cafe and mussel farm.

The Rocky Flats National Wildlife Refuge opens to the public Sept. 15 amid controversy and concerns.

This foliage map from SmokeyMountains.com is a handy, up-to-date guide to fall leaf season all over the country.

Obama and Jintao announce sweeping clean energy 'cooperation plan' that could significantly reduce global greenhouse gas emissions.

The 'Icelandic Model' may be the country's best export.

In 2015, Albuquerque launched an innovative program aimed at helping the area's homeless. Instead of ticketing panhandlers, city officials offered them jobs.

The Salvation Army's nonprofit grocery store, DMG Foods, has opened in Baltimore with help from the Maryland Food Bank.

The Dutch do it again with a new cycling path in the northeastern city of Zwolle that's made from old plastic bottles and packaging.

The universe's strongest source of energy may be the solution to one of Earth's oldest conflicts.

As Greenpeace attacks Apple for the coal clouds firing its data centers, green grids from Iceland to Quebec are attracting some surprising new customers. All ki

Danielle Fong was only 19 years old when she founded a technology company with the goal of perfecting green energy storage and utilization.

Through a pioneering waste-to-energy scheme, the spoiled stock at a Sainsbury's superstore will be used to keep the lights on.

Uncle Ben meets 'Blade Runner' in this wild vertical farming concept that also incorporates aquaculture, wind energy and 'algae facades.'

A new world record is making the future of solar energy look pretty bright.

Botanophobics may want to avert their eyes.

In the documentary "One Big Home," carpenter Thomas Bena goes behind the scenes to explores the trophy homes and "starter castles" of Martha's Vineyard.

These 'Groundhog Day' quotes are perfect for when you feel like you're living the same day over and over.

The Spitzer Space Telescope is so sensitive it can see objects optical telescopes cannot. Here are some incredible images it has helped capture.

On top of averting budget cuts, Congress' deal to dodge the fiscal cliff also extended several key incentives for programs related to the environment.

It's worth keeping tabs on some of the super-cool clean tech projects being backed by ARPA-E. Here are some of our favorites.

From Dutch flower fields to Californian slopes, windmills are one of mankind's oldest ( loveliest) energy machines. Here are some windmill photos to celebrate.

I’m making this trek to ask Maine Gov. Paul LePage to lead, follow, or get out of the way of clean energy development.

The style-conscious soap wizards at Method unveil plans for a wind and solar-powered manufacturing facility that will also include rooftop food production.

Skip the harsh chemicals and try these nontoxic ways to clean your carpets.

Out with the old and in with the new — as in a new, healthier perspective on your life and all your stuff.

Cabinets and trim crafted out of natural wood do require a certain amount of TLC to keep them at their lustrous best.

Keep the pets but ditch the mess with this handy guide.

From sticky to stainy, here's what you need to clean festive messes.

Part of living with pets is dealing with the smells they emit. Here's how to do it.

In the strangest — and only — urban agriculture hoarding tale we've come across, a Queens man is busted for having 45 unregistered beehives housing to 3 mil

Now's the time to make that dream a reality. Here are 5 cold-season tips to prepare for your first spring with a bee hive.

A photographer has caught fascinating slow-motion footage of honeybees flying, working and even stinging.