The tighter a plant can keep its pores, the less water it loses and the less water it requires to grow. And since carbon dioxide levels are 40 percent...
Robyn Griggs Lawrence | Posted 12.28.2009 | Green
Even though most people reuse an artificial tree for up to six years on average, artificial trees would need to be kept for at least 20 years to compete with natural trees on greenhouse impact.
Ginna Kelly | Posted 12.23.2009 | Green
I hate to be the bearer of bad news, but your iPod has a carbon footprint. The holiday season makes me think about all the gifts I've purchased for loved ones and their greenhouse gas emissions.
Tamar Abrams | Posted 12.20.2009 | Living
Snow affords us an opportunity to care for one another. We can shovel for an elderly neighbor, and make crossing safe for pedestrians. Whether shoveling a sidewalk or providing health care to Americans -- we could all use altruism this season.
AP | The Associated Press | Posted 12.19.2009 | Green
***Click here to read the document released to the media*** Here is what's known about the broad, nonbinding accord reached by the U.S., China, India...
Rep. Diana DeGette | Posted 12.17.2009 | Denver
We told a delegation from India that no agreement can occur without transparency in reporting progress by the developing world. Without the ability to verify, what good is an agreement?
Jeremy Nichols | Posted 12.10.2009 | Denver
All the renewable energy in the world can't and won't make up for the fact that unless Colorado starts cutting back on coal burning, greenhouse gases are going to keep climbing.
Michael Meehan | Posted 12.10.2009 | Green
The US capitalizes on markets, and COP15 is a moment where it must seize the opportunity with climate change. But COP15 also represents an economic risk if we don't act because there are serious contenders abroad.
Huffington Post | Gazelle Emami | Posted 12.10.2009 | Green
Karl Rove, Wall Street Journal columnist and former adviser to George W. Bush, appeared on The O'Reilly Factor to discuss the Copenhagen climate confe...
William S. Becker | Posted 12.10.2009 | Green
The Obama Administration must get serious about using its regulatory authority to cut U.S. greenhouse gas emissions well below the levels being considered on Capitol Hill.
HuffingtonPost.com | Jason Linkins | Posted 12.08.2009 | Green
Over at the Washington Independent, Mike Lillis pulls a quote from the Republican Study Committee, pushing back on the EPA's greenhouse gas endangerme...
AP | JOHN HEILPRIN and CHARLES J. HANLEY | Posted 12.09.2009 | Green
COPENHAGEN — A leaked Danish document at the U.N. climate conference provoked angry criticism Tuesday from developing countries and activists wh...
AP | DINA CAPPIELLO and H. JOSEF HEBERT | Posted 12.07.2009 | Green
WASHINGTON — The Environmental Protection Agency took a major step Monday toward regulating greenhouses gases, concluding that climate changing ...
Jeremy Nichols | Posted 12.01.2009 | Denver
Here's an international embarrassment waiting to happen. Interior Secretary Ken Salazar is not only planning to tag along with Obama in Copenhagen, he's going to be a keynote speaker.
Web Ecoist | Posted 11.27.2009 | Green
The planet has a fever and how we cool it down is the challenge of the century. How do we start? According to advocates of a branch of scientific tec...
AP | CARA ANNA | Posted 11.27.2009 | Green
BEIJING — China promised to slow its carbon emissions, saying it would nearly halve the ratio of pollution to GDP over the next decade – a...
Sacramento Bee | Jim Downing | Posted 11.25.2009 | Los Angeles
The California Air Resources Board on Tuesday released a preliminary version of its first-in-the-nation "cap and trade" plan to cut greenhouse-gas emi...
Jeremy Nichols | Posted 11.24.2009 | Denver
A demonstration called on Governor Ritter to stop clowning around when it comes to confronting global warming. Greenhouse gas emissions are actually on the rise in Colorado thanks to Xcel Energy.
Ingrid Newkirk | Posted 11.05.2009 | Green
Considering that the meat industry produces 40 percent more greenhouse gas emissions than all the world's transportation systems, we see no reason to back down in our criticism of Al Gore, among others.
Huffington Post | Katherine Goldstein | Posted 11.05.2009 | Green
The Center For Public Integrity just released a blockbuster investigative report that details the intense corporate pressure to block an effective glo...
Tom McNichol | Posted 11.02.2009 | Green
Don't expect any of these companies to admit they have a poor environmental record. In fact, to hear the top polluters tell it, they're as green as Al Gore.
nytimes.com | NICOLETTE HAHN NIMAN | Posted 10.31.2009 | Green
It's true that food production is an important contributor to climate change. And the claim that meat (especially beef) is closely linked to global wa...
AP | Posted 10.30.2009 | Denver
DENVER — An environmental group wants a judge to prevent Xcel Energy from firing up a new coal-fired plant in southern Colorado until a court ca...
Jonathan A. Schein | Posted 10.20.2009 | Green
Soldier On is an organization that works to get homeless veterans off the streets and into housing. One particular housing project will use photovoltaic technology to power its 39 apartments.
The Huffington Post | Jenna Staul | Posted 10.16.2009 | Green
The Hill reported Friday that lobbyists met with officials at the Office of Management and Budget to discuss altering proposed environmental regulatio...
NYT | SINDYA N. BHANOO | Posted 12.29.2009 | Green