There were once less than 1,000 of them left in Mexico and the U.S.

This report highlights 25 apes, monkeys, lemurs, lorises and other primates on the brink of extinction.

In Florida, not even the iconic Florida panther — the endangered state animal — is safe from new development.

Companies looking to be more humane are trying out a gassing method instead of electric shock.

From the venerable, eco-conscious publisher comes a new place to find great gifts, fairly made jewelry and sustainable fashion.

'Tis the season to mend, modify, repair, tidy-up and perform (not too strenuous) energy- and water-saving tweaks around the house.

In 1911, the Society for the Prevention Useless Giving (SPUG) began a movement against useless Christmas gifts. It's time for a comeback.

If you're doling out gift cards for Christmas, you might as well just give out cash.

Your next car purchase may be based on a letter grade issued by Beltway bureaucrats.

During an Energy and Natural Resources Committee hearing, the secretary of the Interior outlines the Obama administration's energy wish list.

The Chokecherry and Sierra Madre project could include up to 1,000 wind turbines, which would make it the largest wind farm in North America.

To fulfill his promise to become the 'Climate Change President,' Obama will have to channel his inner Harry Truman.

Worlds collide as energy corporations, Fortune 500 CEO's, nonprofit leaders and 60,000 protestors try to make sense of the Copenhagen climate talks.

The world's most committed climate activists are descending on Durban for the next attempt to reach an international climate change treaty. So why did one of mo

A lawn can be both kinds of green: eco-friendly and lush.

MNN's lifestyle blogger calculates out the daily carbon footprint of her email inbox.

Little by little the Obama administration is clearing the way for CCS.

Crew of the F/V Kodiak partners with EcoEmissions to burn fuel more efficiently and reduce pollution.

How do you convene a large group of people to share and learn important information and interact socially without causing a negative impact on the environment?

Roughly 20 million Americans work from home on at least a semi-regular basis. Here's how telecommuting is impressive dent in carbon emissions — and what you

Quick, somebody get Rudolph some Rolaids. Along with the methane emissions generated by a fleet of airborne tundra reindeer, take a gander at other contributor

A new study shows that share prices increase slightly after a carbon disclosure is made.

Energy efficiency efforts are a highlight of the company’s 2011 Corporate Responsibility Report.

Help reduce your child's carbon footprint by teaching them eco-friendly habits. Teach your kids to turn off the lights and water when not in use, try to walk mo

Your virtual carbon footprint may be bigger than you think. You telecommute, while your friends idle in stop-and-go traffic on the way to work, but don’t feel

Driving a propane-fueled pickup truck

A project at CalTech and NASA's Jet Propulsion Laboratory is trying to measure the carbon footprint of human activity in the Los Angeles basin.

We don't want greenhouse gas emissions, but we do want energy. What if we could bury one to get more of the other?

Actor warns of a 'catastrophic warming of the planet' if carbon pricing is not enforced to curb the emissions of the fossil fuel industry.

I have no idea what my carbon footprint is. Do you know yours? This bracelet could help.

Meal kits aren't as bad for the environment as a trip to the grocery store for the same ingredients in terms of greenhouse gas emissions.

Realizing that some folks may need further convincing to ditch incandescents, LED pioneer Cree releases a series of TV spots starring Lance Reddick.

In manufacturing, 'flat' has long been synonymous with 'low-cost' but can this also be applied to consumer LED bulbs? The 2D-Light gives it a go.

Thanks to Energy Star qualification, the most affordable high-quality LED on the market, the Cree LED Bulb, just got even cheaper.

Now through the end of March, the sale of LED bulbs at IKEA will help to make refugee camps safer and more secure and for the families living in them.

The outlet-hogging reign of night lights may soon be over thanks to the ingenious SnapRays Guidelight from Snap Power.

The variability in clothing sizes is frustrating, wasteful and erodes consumer confidence.

From jewelry and shoes to full-length gowns, 3-D printing may be the future of fashion.

Lady Gaga meets L.L. Bean with a 'mobile habitat' concept from Aussie firm Sibling that integrates a one-person tent into the back of a pair of sneakers.

Good looking pants that protect your valuables.

There's only one major sneaker retailer who still makes their shoes in America.

It's time to breathe some fresh air into your wardrobe.

Meet John Rook, the green marketing maverick searching for authenticity in the world of sustainable business.

Meet the guy who turned Stonyfield CEO Gary Hirshberg into a rap star.

Meet Don DiCostanzo, the entrepreneur behind Pedego electric bikes. Find out what he thinks about President Obama, e-bikes in bike lanes, and the way to a green

Environmental blogger and media maven Chris Tackett talks about how he got his job, the future of the green media landscape, and the joys of composting.

Martyn Poliakoff, a professor of chemistry at the University of Nottingham, may first appear like a mad scientist in his popular series of YouTube videos in whi

'The City Dark,' the latest from Brooklyn-based filmmaker Ian Cheney, explores the effect of light pollution on the natural environment and on human health. It

Time-lapse artists and filmmakers Gavin Heffernan and Harun Mehmedinović traveled North America and photographed the impact of light pollution in ‘SKYGLOW.’

Amazon on Thursday said ebooks, or Kindle books, have begun outselling print books for the first time in the company’s history.