In these budget-cutting times, biofuels may be on the chopping block. And with a presidential election looming, politics will play role.

On October 6, Panasonic Corporation is hosting a worldwide Earth Lunch Hour event.

Probably not, but one enthusiast is organizing a petition to make the social networking site consider the idea.

Actress will front marketing campaign targeted at getting more involved in turning off the lights on March 26th.

Supermodel once again named Global Earth Hour Ambassador in preparation for the lights-out moment on March 31.

Whether you go out stargazing or simply relax in the dark at home, spending an hour without power Saturday night might just re-energize your weekend.

Iconic landmarks and skylines all across the globe were plunged into darkness on Saturday for Earth Hour.

Annual event, which encourages people around the world to power down for one hour, teams up with the cast and crew of 'The Amazing Spider-Man 2'

7 great ways to spend the time and spread the message of Earth Hour with your kids. On Saturday, March 26, 2011, governments, businesses, residential homes, and

Kenaf, the carbon-sequestering monster plant, provides food, shelter and carbon credits.

Private brokerage service Ecostreamjet purchases carbon credits to offset emissions generated by each flight.

An ethical travel operator in Britain denounces carbon offsetting, but are ‘holidays closer to home’ a real solution?

Travel company cancels offset program citing its inability to reduce global emissions.

European carbon market comes to a screeching halt after hackers use a phishing scheme to steal $4 million in emissions credits.

More than 1,000 workers will study the environmental effects of energy production.

MNN chats with guitarist Stone Gossard about the band's latest project and why the group is passionate about making a difference for the environment.

Honor your favorite boss on this holiday, which falls on Saturday, Oct. 16, 2010.

Type in your destination, and Cost2drive figures out your gas costs and CO2 emissions.

Driving with a burger in one hand and a cellphone in the other is a sure recipe for highway disaster. And all that old food is hanging out, just waiting to give

Bicycle sales exceed cars in Europe, and there's compelling evidence that pedaling increases the national happiness quotient.

We're driving fewer miles and more of us are going car-free, yet we're only scratching the surface of car-isn't-king culture.

As millennials turn away from driving and car ownership, will college students finally stop keeping cars on campus?

Quant's fire-breathing electric supercar performs great — on paper. The futuristic battery tech is cool, but will it work?

The city fleet will have 425 Leafs, Volts and Energis on the road by early next year.

When the weather outside is frightful, battery performance suffers.

Cars with 10 horsepower, fish tanks and Home Depot hardware are just part of the fun. Some even plug in.

The German giant is embracing electrification, and new electric cars from Audi and Porsche point the way.

Tesla Motors gets some high-powered competition.

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

Rimac's Concept One is a $936,000 supercar made in Croatia, and only 8 will be built.

Automaker networks are vulnerable to guys with laptops, and it's not an isolated problem.

The British vacuum cleaner kingpin will invest nearly $3B in developing an electric vehicle by 2020.

Video: At-risk young people get hands-on training and spread their new green skills throughout The Big Easy.

Countless people drove past an injured armadillo, until one compassionate woman came along.

Rescuers spent months nursing a paralyzed leopard until the day he stood on his own paws.

SwimCity is a housing concept for young Swedes who don't mind donning goggles or hopping in a canoe as part of their commute.

Just ask Jenna and Guillaume, who quit their 9-to-5 jobs to pursue their dream of touring North America in a custom-built tiny house.

Architect William Maclay brings some sense and sensibility to the concept of net zero energy building.

Bjarke attack! The Danish maverick is the subject of a climate-themed retrospective at the National Building Museum.

Beauty abounds in the weather-warped details of Dwell Development's latest net-zero residence.

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

Co-owned by a quartet of couples, Llano Exit Strategy blends communal living and rural solitude.

Forget Pat Conroy ... nothing says 'summer reading' like upcycling bibles and tiny house memoirs.

Beautiful and daring, Cinder Cone will resonate with those who have graduated from Thrasher to Dwell.

Heatherwick Studio's mighty pretty design for Maggie's Centre Yorkshire resembles a cluster of massive potted plants.

Leave it to Shigeru Ban to breathe ingenious new life into the painfully abundant remains of a major catastrophe.

At long last, Brad Pitt's green rebuilding effort thinks smaller (but just as sustainable).

UC Davis students conceive a 'deliberate solution' to substandard farm worker housing.

It's just like camping ... but with free WiFi and Malin + Goetz shampoo.

Tiny houses have become the darlings of budget-minded minimalists, and Ryan Mitchell's book, "Tiny Houses Built with Recycled Materials," explores them.