I'm not sure if someone's posted this, but I was watching the news at lunch and it said Cali was using old tires to make sidewalks. The sidewalks give a little so it's easier on joints and stuff when people are walking, it allows tree branches to grow under it without breaking the sidewalk, and obviously it's recycling tires. I was excited when I heard about it, but I'm not sure about the environmental impact on having walkways made of rubber. Anybody know about this?
http://www.rubbersidewalks.com/
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