Al Gore has the radical idea that more of our decisions should be made based on facts and reason.

Video: The former VP returned to '30 Rock' in honor of NBC's Green Week -- delivering an unexpectedly funny performance as the light bulb-changing janitor.

Al Gore hit NBC last week for Green Week and told Saturday Night Live all about his backup plan for solving global warming-to act completely nuts.

Video: Former vice president tells Weekend Update he's just going to start acting crazy from now on.

Green teens present Former Vice President Al Gore with an "inspiration award" for his work in motivating the next generation of environmentalists.

In an interview with the Daily Beast's Lloyd Grove, Gore unloads on the fear and doubt mongers trying to delay taking action on global warming.

Video: As climate talks continue in Copenhagen, former vice presidential candidate Sarah Palin finds herself in a war of words with Al Gore. NBC's Andrea Mitche

Video: Former vice president and environmental icon rallies the troops and turns up the pressure on Obama to pass climate change law.

Al Gore is pushing for a deal in Mexico this summer. But to get there we need a Senate bill by Earth Day.

The Juice News brilliantly raps a commentary on climate change, Copenhagen, and how to save the world from ourselves.

The U.S. Green Building Council released the final statistics for Greenbuild 2009, which was held in Phoenix, Arizona.

An Alaska liquor store is making an icy statement about former Vice President Al Gore's stance on environmental issues. NBC's Chris LeClere reports.

Can over-consumption actually save the planet? Are we finally on the downslope of the bottled water craze? And should Al Gore be talking about meat?

Video: Bill O'Reilly doesn't take no for an answer. Al Gore learned this the hard way, as a Fox News producer ambushed the former vice president during a lunch

The Climate Project, founded by Al Gore, is launching a new website designed for teens who want to live greener and fight climate change. You're even required t

The EPA needs better pollution monitoring equipment, President Obama trashed hundreds of bikes, and someone designed a super box.

Bluewater Productions cranks out new bio-comic on the former Veep.

Former Vice President and wife parting ways after 40 years of marriage.

In light of separation from wife Tipper, jokes about the former Vice-President begin appearing. Some funny, most awful.

Proving that nothing is truly sacred, PETA sends a letter urging the former VP to drop the meat to pickup ladies.

Invited to speak at the Panetta Lecture, the former vice president reveals his fury at BP and talks of a 'cover-up'.

After Star Magazine's "exclusive" allegations, both camps denounce any infidelity.

Video: Police are reinvestigating allegations from a masseuse that she was sexually assaulted by former Vice President Al Gore. A legal scholar weighs in.

Clip features hilarious group of headband-wearing treehuggers in a VW bus.

Rapper urges environmental crusader to focus on a different type of green.

$75.5-million Carson-Gore Academy of Environmental Sciences to open amidst controversy of site's toxic past.

Our data crunchers take a look at how the eco-stars stack up.

Bloomberg Businessweek's Eric Pooley gives an insider’s view of the American campaign to cut carbon emissions and halt global warming.

Danish environmentalist Bjorn Lomborg discusses his new book "Smart Solutions to Climate Change: Comparing Costs and Benefits'" as well as the film "Cool It," w

Often criticized by members of both parties, Sen. Joseph Lieberman has been a staunch supporter of the environment throughout his career.

The biggest awards show in Hollywood continues efforts to reduce its environmental impact.

The decisions of Fred Upton, chairman of the House Energy and Commerce Committee, may not make sense, but the man has the power to make big decisions.

Former VP to focus on globalization, technology, and climate change.

Former vice president says that in today's political environment, there is a tendency to ignore facts.

The former vice president praised Romney for not being consumed by the 'anti science wing' of the Republican party.

The former vice president did not hold back in his 7,000-word essay in Rolling Stone about the climate change debate.

The former vice president has a new video project that he hopes can be a response to attacks from the fossil fuel industry.

This week, Al Gore announced a new venture — the Climate Reality Project — which he claims will push public interest past the tipping point toward serious a

The former V.P. says global warming doubters will one day be seen similarly to racists, and urges people who support emissions cuts to 'win the conversation.'

Al Gore talks about his work on the Climate Reality Project and marvels at the sophistication of Stephen's global warming metaphor.

An excerpt from the Climate Reality Project compares today's argument about climate change to the '60s argument over cigarettes.

In 1971, a ragtag gang of committed activists unleashed its first "mind bomb," and it set the environmental agenda for decades to come. Today, with campaigns by

Al Gore apparently let slip that Apple Computer plans to release new "iPhones" next month. Gore spilled the beans thusly: "Not to mention the new iPhones coming

After the Heartland Institute compared global warming to the Unabomber, two climate activism groups decided to strike back.

Al Gore's 24-hour Climate Reality broadcast has attracted millions of online viewers. A competing broadcast by climate doubters had just thousands.

Former vice president's new book addresses 6 areas of rapid global change, from global warming to the Internet to runaway population growth.

The former vice president has benefited from sustainable investments, Silicon Valley leadership and the sale of Current TV.

In an impromptu talk to a small crowd on the set of '24 Hours of Reality' with Al Gore.

Former vice president reportedly made the healthy shift several months ago.

Former vice president reveals in a new interview why he made the switch to a plant-based diet.