It's not for everyone, but it is certainly a cause that most treehuggers would support. World Naked Bike Day is a protest against the vulnerability of cyclists and the domination of car culture. In their words: " It's time to put a stop to the indecent exposure of people and the planet to cars and the pollution they create. We face automobile traffic with our naked bodies as the best way of defending our dignity and exposing the vulnerability faced by cyclists and pedestrians on our streets as well as the negative consequences we all face due to dependence on oil, and other forms of non-renewable energy". Now in its 4th year, it is easy to join since it takes place in 20 countries and 70 cities. If you are creative you can decorate [Warning: Naked People, NSFW -Ed.] your bike, or your body. You can also ride a skateboard, roller blades or a unicycle. Too shy? Go "bare as you dare". And the answer to that question you're dying to ask (what does it feel like to ride nude?), the answer is: "Just like it does with clothes but a bit cooler. Most riders also find it exhilarating, liberating, empowering... and downright hilarious. :: World Naked Bike Ride

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