Video from Al Gore's speech yesterday at the Copenhagen climate talks.

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

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

Clients of the Cueto Law Group in Miami, Florida can now pay up to 20% of their legal fees with carbon credits.

Famous graffiti artist Banksy creates a mural that sinks in global warming denial.

A hilarious accounting of 'Climategate' and why universities need to professional PR help.

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

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

The first 10 countries on the list, made available during UN climate talks in Durban, South Africa, account for two-thirds of global emissions.

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

Beyond extending the Kyoto Protocol for five more years, the Durban Platform's beauty (or lack thereof) lies in the eye of the beholder.

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

Each time the EPA is attacked Democrats struggle more to defend it

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

A few ocean liners have been working to cut back on their pollution. But you're still free to be a glutton at the buffet.

Energy-related CO2 emissions will be 7 percent lower than their 2005 level of nearly 6 billion metric tons in 2020, according to new government data.

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

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

Find out how this small Maine liberal arts school achieved its goal of being 100% carbon-neutral ahead of a 2015 deadline.

A poll found that almost half of the people who see food waste as a problem don’t view it as a problem they’re contributing to.

There are a number of reasons our houses are getting bigger, and it's a real problem.

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.

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.

Video: Catch up with the Begleys at The Environmental Media Awards.

Ed Begley Jr. joins 'Holidazed' author Jerry James Stone to create a free, digital cookbook that's not just for vegans.

Meet Visualight, a WiFi-enabled LED bulb that visualizes data as colored light. In other words, when a recent crush messages you on Facebook, the lights in your

Kevin Judd enjoys programming elaborate holiday light shows at his Riverside, Calif. home. But after a video of last Halloween's 'Party Rock Anthem' display wen

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

For those who prefer their meteorological forecasts to be startlingly literal, check out this WiFi-enabled chandelier that magically produces indoor clou

The NanoLight, a new Kickstarter-funded 12-watt LED bulb, eschews fancy-schmancy smart capabilities and instead focuses on groundbreaking energy savings.

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.

Using a malware script, a security expert finds that wirelessly controlled — and supposedly totally safe — Philips Hue LED bulbs can be maliciously hacked.

Watch out, IKEA: Walmart jumps on the affordable LED train with the release of a line of light bulbs. Prices start at less than $10.

Pot growers have traditionally had a negative impact on the environment — but that may be about to change.

Fast food and environmentalism aren't always seen as compatible. The owner of this green-built McDonald's hopes to change that.

Get the skinny on SlimStyle, Philips' latest LED bulb release that boasts a svelte profile and a price tag that's anticipated to be highly competitive.

France's most visited house of worship, the Notre Dame Cathedral, just seriously slashed its energy bills with the addition of 400 LED lamps.

Breaking up (with incandescents) can be hard to do. To help ease the pain, Philips unveils an LED that "lets people hold onto the light they love ..."

In addition to minimizing melatonin-suppressing blue light, the Drift bulb has another health-benefitting trick up its sleeve ...

Unlike incandescent 3-way bulbs that really only have 2 levels of brightness, the 3-way Cree LED boats a trio of brightness levels you can actually see.

Although not the flashiest thing on the block, GE unveils a WiFi-connected LED bulb with a more agreeable price point than its peers.

Meet a brainy LED bulb equipped with embedded sensors that will help you sleep better (and save a bundle of cash).

Don't let the door hit you on the way out, pigtail.

No window? No problem.