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

Kids present a DVD of videos, songs, speeches and presentations on climate change to world leaders in Copenhagen.

Sarah Palin trades barbs with California Gov. Arnold Schwarzenegger after he criticized her anti-science stance on global warming.

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.

Video: President Obama addresses the leaders of nations attending the climate change conference in Copenhagen, urging countries to step up before it's too late.

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

Video footage from our tour of an off-shore wind farm in Denmark.. will wind replace an aging fleet of coal plants?

As governments struggle to solve the climate change crisis, who's stepping up?

It's no substitute for simply getting rid of coal, but geo-engineering just may be our planet's Hail Mary pass.

Climate change now emerging a core issue in the fight to end poverty.

The EJC is sending someone to Cancun for the next climate summit. Budding bloggers, this is your chance to get noticed.

Climate scientists are beginning to unite to against the misinformation campaigns of right-wingers, but it comes after they've been dealt several blows.

Idaho's Mike Simpson actually sounds reasonable when bringing up the debates of the past.

In the face of the global challenge of climate change, our responses too often involve doing Much Too Little or thinking Way Too Big. The real key is to start a

The best photos of the week as presented by the Mother Nature Network, including a landfill worker in Cambodia and a mistletoe farm.

The U.S. has become the pre-eminent blocker to this year's UN climate negotiations, but new scientific analysis and a growing civil society movement could force

The United Nations rules require the IPCC to seek unanimous consensus, a fact that climate scientists want to see emphasized in the newest report.

Green blogger challenges everyone to air dry their clothes and cut the carbon this October.

Furor has erupted over the new 10:10 UK campaign video involving a school teacher who asks her children what they are doing for climate change and then blows up

We're no IT geniuses, but we can help you figure out how to go green in your Internet ventures.

For political purposes, a West Virginia senator is giving the EPA a little breathing room -- for now.

The Mongol invasion scrubbed nearly 700 million tons of carbon from the atmosphere, according to new research.

The head of Duke Energy says Americans don't have the attention span to take on crafting a meaningful energy policy.

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

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

Driving a propane-fueled pickup truck

Watch how this small, but fast-growing, Maine brewery is rolling sustainability into their operational DNA.

Wasted food accounts for more greenhouse gas emissions than any country except China and the United States, according to a new report.

Need climate change data defined in simpler terms? It doesn't get any easier to understand than this.

The journalist is conducting a 9-month 'economic patriotism' experiment by eating nothing but French food and using only French-made products.

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

Developing countries are emitting increasingly more carbon in order to improve their citizens' well-being.

Sony Pictures releases a video detailing how the company made the big-budget action flick its most sustainable production yet.

From tree planting to better forms of farming, a growing number of businesses are investing in carbon reduction within their own supply chains.

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

Americans are curbing their love affair with beef and the result is a 10 percent reduction in food-related emissions.

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.

Ed Begley Jr.'s back with new book and third season of 'Living With Ed.' Green guru follows up his 2008 book with 'Guide to Sustainable Living' and takes his re

In commemoration of National Energy Action Month, our friends at Cree share an infographic highlighting the energy-saving prowess of LED lighting.

Pop song-driven LED holiday light shows are the hottest thing to hit subdivisions since the traffic circle. Sure, they're fun and non-Griswoldian in their energ

NASA will replace the ISS's fluorescent bulbs with an array of LEDs

Finally, a lamp that's good enough to eat. For Stockholm Design Week, designer Alexander Lervik debuts an LED lamp with a slowly melting chocolate shade.

The Sylvania Socket Survey is released: Apparently folks are jazzed about the incandescent phase-out even though they aren't really sure what it entails.

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

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

Danielle Trofe returns to WantedDesign with a duo of LED lamp-hourglass hybrids that stay illuminated via the kinetic energy produced by falling sand.

What energy efficient outdoor lighting options are there? From high-tech to just plain tiki, you've got plenty of options for illuminating the outdoors.

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.

Lin Guohui's Bulb Flashlight is just that: A screw-in 40W LEDreplacement bulb with a rechargeable battery that can be removed and used as a handheld torch.