Rep. Mark Udall, D-Boulder, is running a new political ad on renewable energy as he vies for the open Colorado U.S. Senate seat. Raj Chohan gives the claims a Reality Check.
Boulder is already one of America's greenest cities, and now it's about to get a whole lot greener. Boulder's power grid is getting a modern makeover, thanks to Xcel Energy. It will become the country's first ever 'Smart Grid' city.
From organic foods to kiddie spa treatments, a new Atlanta day care center is going to great lengths in the name of going green. (May 15)
The National Aquarium in Baltimore is going green. Pat Warren reports.
The polar bear has been listed as an endangered species as global warming shrinks its icy habitat.
America has declared the polar bear a threatened species as global warming is rapidly melting the arctic ice essential to its survival.
Amid claims global warming threatens the polar bear, the U.S. has declared it endangered. CNN's Richard Roth explains.
There's no question, this Minnesota winter has been several degrees colder than normal. And this spring sure doesn't feel like spring, considering we haven't even hit 80 degrees yet, Jason DeRusha reports (3:03).
The polar bear is the first animal to be placed on the endangered species list due to Government saying there is no proof that emissions is causing global climate change.
Fire victims looking for an alternative to a standard wood frame home may have found it - a material that self-extinguishes, and it's energy efficient.
The Interior Department has declared the polar bear a threatened species, saying it must be protected because of the decline in Arctic sea ice from global warming. (May 14)
Sen. John McCain reasserted his commitment to stopping global warming during an environmental roundtable in Washington state. (May 13)
Senior policy adviser on McCain's push for climate change
John McCain says global warming is undeniable, and the U.S. must take steps to stop it. The presumptive Republican nominee also took a swipe at President Bush, who balked at the beginning of his term at signing the Kyoto global warming protocols. (May 12)
Sen. Joe Lieberman talks about the Democratic race and Sen. John McCain's mission to restore the environment.
Tests are being conducted in the waters of South America to assess the impact of global warming.
Scientists are conducting tests in the icy waters of South America to try and assess the impact of global warming.
With consumers demanding more "green" products, the lobster industry stands to lose out if it doesn't get certified as eco-friendly. (May 9)
Some tips on how to make your linens eco-friendly.
Jeffrey Menaged, Chief Executive Air CEO, talks how they've reduced carbon emissions for private jet charter services.
Scientists say funding supercomputers is vital in the battle to better understand climate change.
Scientists have returned from an expedition across the Antarctic ocean, armed with detailed information on the future of climate change. (May 6)
Sam Champion shows us affordable lights that are eco-friendly.
Some say instead of fighting global warming, we should help people live with it
Kevin Landis, CIO of Firsthand Capital Management, discussses why alternative energy may be the next big wave of tech innovations.
Bob Kantor, CEO of Hanger Network, discusses ecohangers as a greener alternative to wire and plastic hangers.
Global warming not high on list of American's environmental concerns
Cisco and the San Francisco government have teamed up to make an eco-friendly bush piloted by Cisco.
Jeff Flock talks to Bob Burnside about building an eco-friendly home.
Jeff Flock shows how an eco-friendly home is heated.
Can dealing with climate change become an economic opportunity?
Southwest Windpower has made backyard windmills available to residential areas.
IdealBite.com helps you live greener while saving some green.
GMA heads to various cities to see how they deal with climate change.
French President Nicolas Sarkozy has told the world's biggest carbon polluters that global warming is becoming a driver of hunger, unrest and conflict. He addressed a conference grouping ministers from 16 economies which account for 80 percent of the world's greenhouse gas emissions.
Bush announces "goal to stop the growth of US greenhouse gas emissions by 2025."
President Bush revises his strategy on curbing greenhouse gases, proposing the year 2025 as a new target for stopping the growth of these emissions. But environmental groups say this proposal still falls short. (April 16)
His eco-friendly home
In capturing carbon from the atmosphere, old-growth forests are gaining market value beyond the price of their timber.