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Image of the Day: Saturn's North Polar Hexagon, Close Up

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wrenchwench3/03/2013 3:21:06 pm PST

An excerpt:

“You would be giving off more CO2 if you are riding a bike than driving in a car,” he said. However, he said he had not “done any analysis” of the difference in CO2 from a person on a bike compared to the engine of a car (others have).

“You can’t just say that there’s no pollution as a result of riding a bicycle.”