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Chris Christie says ‘climate change is real’ while vetoing climate action

The New Jersey governor believes that human-made climate change exists, but is blocking his state's participation in a regional climate program.

Mr. Obama: XL + Tar Sands = Bad Political Equation

Three years ago, I spent a number of weekends going door to door in Virginia urging people to vote for our President.  In that campaign I found a sense of pride, a sense of excitement, a sense of energizing virtue. This weekend, I spent a good chunk of time training to do civil disobedience at […]

How to avoid a train wreck: replacing coal with energy efficiency

Utility regulations don't have to mean higher rates for consumers. Investments that enhance communities by creating more efficient, modern infrastructure result in more jobs and a more robust economy, at a fraction of the cost of upgrading old coal plants

Too many markets or not enough farmers?

Is the growth of farmers markets around the U.S. too much of a good thing? Or do we need to grow more farmers and more infrastructure to meet demand?

One billion cars clog traffic worldwide

India and Brazil are also helping to accelerate worldwide auto sales -- and greenhouse-gas emissions.

Huntsman slams Perry on climate, Bachmann on gas prices

Jon Huntsman believes in climate change and isn't afraid to say so -- or to call out his rivals on how their anti-science stance is hurting the Republican Party.

Daryl Hannah joins tar-sands protest

It can be mildly annoying when movie stars get activist, because it usually just means looking sincere while wearing the ribbon color of the day. Which is why it's kind of cool that Daryl Hannah, who has never really stopped defending the environment since she came out of the ocean in 1984, is headed down to the Keystone XL protests where people are being arrested left and right. 

Jon Huntsman speaks out on climate change

In a tweet last week, Republican presidential candidate Jon Huntsman made the apparently super-controversial claim that he "trust[s] scientists on global warming." This weekend, he went a step further, telling ABC's Jake Tapper that his opponents' opposition to the idea of climate change is wrongheaded and extremist.

'I'm scared out of my mind' — but still getting arrested to stop the tar-sands pipeline [VIDEO]

More than 100 activists have been arrested so far for protesting against the proposed Keystone XL pipeline in front of the White House. Watch on video.

Climate change makes alien invasion more likely

Update: Depressingly, this wasn't funded by NASA at all, although one of the authors is from NASA's planetary science division (he worked on it in his free time). It's still a good read though. (Thanks, Kate Sheppard!)

Here's good news for people who have been trying to draft the tinfoil-hat crew into the fight against climate change: A genuinely not-at-all-made-up-by-me NASA not NASA study posits that global warming could alert extraterrestrial civilizations that humanity is getting too big for its britches, and prompt them to attack us.