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No-Car Pledge

Actors Stana Katic and Seamus Dever from the hit ABC show Castle gave up their cars for 7 days in Los Angeles. They discovered health benefits and environmental advantages, and explored travel accessibility in their city.

Visit the official page of The Alternative Travel Project to learn more.

Help reduce our dependence on oil. Join Stana, Seamus, and the Sierra Club -- pledge to give up your car for a day and join the movement of people around the country who are trying a car-free experiment!

Make Your Pledge

I pledge to give up my car for a day and try biking, walking, public transportation, or carpooling!

Make a Donation

Donate now to help the Sierra Club's conservation programs. Together, we can move our nation beyond oil and towards green transportation.




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