This month, scientists and tree lovers celebrate the 2nd birthday of a hybrid chestnut tree that may be a force in reducing the impacts of climate change.

Video: When a 10-mile stretch of L.A.'s interstate 405 is closed this weekend, there will be only one way to get through the gridlock: Fly over it. Take a ride

A 10-mile stretch of Los Angeles' 405 Freeway — the most heavily trafficked road in the country — was completely shut down this weekend as part of a $1 bill

EV prices are falling, range is rising, and there's free fuel to sweeten the pot.

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

The after-school carpentry wizards at Sawhorse Revolution have big, community-bettering plans for micro-housing.

How they can provide some space for the next generation as well.

The shipping industry embraces fuel efficiency with hybrid delivery fleets.

In 1994, 12.9 percent of strokes occurred in adults between ages 20 and 55, whereas in 2005, 18.6 percent of strokes occurred in this age group, according to th

Want to know what young girls really think about the media, girls' fashions, and teen idols like Nicki Minaj? Watch this video to find out.

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

Video: MNN blogger Karl Burkart chats with Current TV about the politics of blogging at the Copenhagen climate summit.

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.

A 'prediction market' is betting on the outcome of Copenhagen. Here are 4 experts making their own predictions for COP15.

Ethiopia shocks African nations by supporting the new draft agreement at Copenhagen. Drama sure to ensure tomorrow.

NGO's furious over new draft agreement and a radical reduction of badges at the Bella Center. Only 300 delegates will now be allowed in.

The U.S. secretary of state makes the ACES climate bill targets official and pledges to build a $100 billion fund.

The Bolivian Alliance for the Americas (ALBA) led an impromptu press conference denouncing the closed meeting of 18 'friendly nations' led by Obama. Hugo Chavez

Both environmentalists and U.N. officials agree ... COP15 was a 'failure.' But the 'Copenhagen Accord,' though flawed could mark the messy beginnings of a post-

Video: Rachel Maddow is joined by <i>New York Times</i> columnist Thomas Friedman, fresh from attending the climate change conference in Copenhagen for a discus

Video clips from the great Copenhagen march for the climate.

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

Just when you thought energy-efficient light bulb uprisings were a thing of the past, the DOE is now powerless when it comes to enforcing efficiency standards.

Dutch designer Dan Roosegaarde's Space Waste Lab visualizes 'the smog of our universe.'

Find what you need, avoid tangled necklaces, and enjoy your jewelry again with these fun storage ideas.

Women athletes, working women, and artists are all getting in on the ongoing discussion of women's bodies in the media.

A student's desperate plea on a bathroom wall is met with powerful messages of support.

Sky gazers carve out a spot in rural Georgia where the lights won't bother them.

It was supposed to be Carmageddon in L.A., but instead the two-day closure of the busiest freeway in Los Angeles reiterated a timeless lesson about cars: We los

Trophy Bicycle Holders offer a smart, space-saving storage solution in the form of two 'iconic silhouettes.'

Judging workers' value by time spent at a desk hurts working moms — and companies' bottom lines. Flex time could fix it.

Wyland Foundation's National Art Contest helps kids think about how they can protect the oceans.

Get organized with storage containers BEFORE the holidays. From basic plastic to woven grasses to vintage trunks, we've got the bases covered on where to stash

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.

The British Ecological Society annual photography competition celebrates both flora and fauna.

Virginia Tech researchers have deciphered and codified the honey bee language with remarkable precision.

Leaders during the Cancun climate meetings are walking a fine line of keeping expectations in perspective, but also wanting to get something done as deadlines l

On Nature Photography Day, take your camera outside to make a difference for wildlife!

In "The Passage," a family recounts past adventures and explores the meaning of kinship on a grand Alaskan journey.

Become an expert in knowing what birds are saying by studying these common species.

Listening to birds reveals a lot about what's happening around you, including what other wildlife is roaming nearby!

More ships are navigating the perilous, frigid Northwest Passage through the Arctic Ocean, with large passenger vessels soon to join them.

Glacial gifts such as erratics, moraines, kettle lakes, cirques, tarns and eskers from the ice age are all around if you know where to look.

BMW is fielding an all-new 3-Series, and with it an ActiveHybrid 3 that offers both zero to 60 in 5.6 seconds and about 37 mpg. Up a notch, there's the ActiveHy

Joseph Ford creates optical illusions with handmade knitted sweaters against real-life backdrops.

The Internet's favorite undersea autonomous vehicle's maiden voyage reveals how how Antarctic bottom water is affected by changing wind patterns.

At the Cancun climate talks, one art installation dominated the headlines at a turning point in history.

Here are 15 talented eco-artists who are redefining art's relationship with Mother Nature.

A compilation of the best original stories from Mother Nature Network for the week, including Bear Grylls' eating habits, a webcam of Mount Everest and much mor