Plus: National Geographic turns 125 and more Ecollywood odds and ends.

Discovery hopes so as it debuts 'Shark After Dark.'

Comic artist Rob Lang gives animals a way to speak their piece with "Underdone Comics.'

The U.N. summit is going on despite recent terrorist attacks, and it does so with diplomatic momentum as well as a renewed sense of global solidarity.

New study finds that short, brisk walks after dinner may be more effective than other forms of exercise at preventing diabetes.

Bill Clinton is behind a home weatherization variation of the cash for clunkers program that he hopes will give the sagging economy -- and the environment -- a

Cash for Caulkers. The legislation commonly known as Cash for Caulkers is a proposal set forth by the Obama Administration with two simple goals.

New federal legislation called "cash for caulkers," would offer financial incentives of up to $8,000 for energy efficient home improvements.

A leopard cub left paralyzed by a car is pulling off a 'miraculous' recovery, thanks to the efforts of Wildlife SOS in Maharashtra, India.

Video: Chuck Leavell, keyboardist for The Rolling Stones and the cofounder of MNN, finds out about the importance of having a single national wildlife refuge se

STIMO (STImulation Movement Overground) involves physical therapy and targeted electrical stimulation to help the brain regain control over paralyzed muscles.

Animals use the same wait-your-turn system that most humans do, say scientists who reviewed a series of animal studies.

Norfolk Southern is working with GreenTrees LLC on a five-year reforestation project.

VW is poised to reinvent itself as an EV-friendly treehugger.

The Obama administration tips its hand on a number of energy policy issues during a press conference about coal leases in the West.

Climate talks in Denmark are on hold after a group of developing nations walked out over concerns about abandoning the Kyoto Protocol.

Canada does an about-face on its climate target (if only) and the G77 suspends talks after a move to eliminate Kyoto Protocol language.

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

Attempts to address global warming and its potentially devastating consequences, resume today as delegates gather in Doha, Qatar.

The tiny desert kingdom has an outsized appetite for fossil fuels, making it an awkward place to host international climate change negotiations.

TckTckTck has a news and social media hub to help people who don't speak 'acronymese' understand what is going on at the Doha COP 18 climate talks.

Even as warnings of the potentially catastrophic effects of global warming mounted, negotiators at global climate talks in Qatar made only modest steps toward h

For your health and the environment's, take at least one weekly stroll.

Ethanol has big fans in Hollywood. Can you believe the Kill Bill Trans-Am running on biofuel? Plus: We get a video tour of Begley's garage.

A new study says the best messages (for some people) are energy efficiency and saving money.

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.

Some farmers have found the wonderful (and profitable) insulating properties of milkweed.

Blogger and editor Anna Hackman chats with MNN about green buildings, green business and bar mitzvahs.

Researchers are trying to better understand how light pollution affects the endangered animals.

A new study shows that using your phone while you're en route affects your posture.

A new app has launched in the Philadelphia region with guides to sustainable businesses in 20 categories.

Talk about blowing things way out of proportion.

For apartment hunters who are just as concerned about a gridlock-free commute as they are about the presence of a washer and dryer set, Walk Score releases a ne

At the start of the 20th century, streets belonged as much to pedestrians and children at play as to automobiles. By the end of it, stepping into the street in

In the U.S., however, walking or biking to school has become less common over the last 50 years.

President Obama eyes energy policy as an area where Democrats and Republicans can work together.

There are millions of animals on the planet, yet the milk Americans drink almost exclusively comes from cows.

In addition to keeping green by hitting up the bulk food bins this week, outfit your kitchen with attractive receptacles to store all those garbanzo beans.

Tidal Vision makes sustainable salmon leather goods and crab shell clothing.

Finnish researchers have developed a strong, flexible material from spider silk and tree cellulose.

The northern snakehead, a voracious invasive species that can live out of the water for days, is showing up in several states.

The end has come for new stories about Middle-earth, but there will never be an end to how they will inspire.

Watch Van Jones as he lays out the case against plastic pollution from a social justice perspective.

Up to 95 percent of the plastic waste carried out to sea by rivers seems to travel through just 10 waterways, according to a new study.

Starting this fall, D.C. public schools will no longer serve flavored milk or sugary cereals.

VW XL1

Astronomers have found what may be the oldest stars in the Milky Way.

The makers of Almond Breeze are being sued for false advertising, and it's a reminder not to believe everything you read on a package.

There's a debate about whether liquid plant-based foods should be labeled as milk. Is it time to change the definition of milk?

Sometimes a street that's considered walkable isn't — especially if you aren't young and fit and have sharp eyesight.