Bill McKibben - Why is 350 the most important number in the world?

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350 is the most important number in the world--it's what scientists say is the safe upper limit for carbon dioxide in the atmosphere.

Two years ago, after leading climatologists observed rapid ice melt in the Arctic and other frightening signs of climate change, they issued a series of studies showing that the planet faced both human and natural disaster if atmospheric concentrations of CO2 remained above 350 parts per million.

Everyone from Al Gore to the U.N.’s top climate scientist has now embraced this goal as necessary for stabilizing the planet and preventing complete disaster. Now the trick is getting our leaders to pay attention and craft policies that will put the world on track to get to 350.

Is 350 scientifically possible?

Right now, mostly because we’ve burned so much fossil fuel, the atmospheric concentration of co2 is 390 ppm—that’s way too high, and it’s why ice is melting, drought is spreading, forests are dying. To bring that number down, the first task is to stop putting more carbon into the atmosphere. That means a very fast transition to sun and wind and other renewable forms of power. If we can stop pouring more carbon into the atmosphere, then forests and oceans will slowly suck some of it out of the air and return us to safe levels.

Is 350 politically possible?

It’s very hard. It means switching off fossil fuel much more quickly than governments and corporations have been planning. Our best chance to speed up that process will come in December in Copenhagen, when the world’s nations meet to agree on a new climate treaty. Right now, they’re not planning to do enough. But we can change that--if we mobilize the world to swift and bold climate action, which is what we're planning to do on October 24th.

Take action: http://www.350.org

www.350.org
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Films For Action is a library for people who want to change the world.

 

Our mission is to provide citizens with the knowledge and perspectives essential to creating a more beautiful, just, sustainable, and democratic society.

Films For Action was founded in 2006 by a few friends in Lawrence, Kansas, after realizing how essential healthy media is to a healthy democracy.

Over the last 15 years, we've reviewed and curated over 1,000 free documentaries and 4,000 short films, plus over 150 pay-per-view documentaries, spanning 34 topics related to changing the world.

During this time we've been able to reach tens of millions of people - not by owning a TV network or spending truckloads of cash on advertising, but because millions of awesome people keep sharing 'films for action' with their friends on social media - in particular, our 850,000 supporters on Facebook and 70,000 site members. 

One of the coolest things is, thanks to our patrons, our library is ad-free and 100% supported by member donations, while 99% of our library is free to access and always will be. The pay-per-view films on our site, of course, help support the filmmakers, and 90-100% of the revenue for PPV films hosted by us goes to the filmmakers. 

To thank our $5/mo patrons, we partner with filmmakers and distributors to provide access to a growing number of films that are normally pay-per-view. With just 23 highly curated films at the moment, it's basically a mini "Netflix for world changers," but its main function is to support the library as a whole.

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Cheers,  
Tim Hjersted
Co-Founder & Director
Lawrence, KS