Reclaimed Rubber, which use shredded tires to compose panels that fit together to form a rubber sidewalk. The rubber is even good for trees, letting the sidewalk raise and bend around the roots. You no longer have to remove entire trees to keep concrete from being torn up and replaced. In 2006, 60 cities from 15 different states in America tested rubber sidewalks. Residents find the rubber feels good under their feet and sound is reduced, as well. It’s safe and non-toxic. Rubber sidewalks also comes in different colors. While the main motive is to save trees, recycled rubber also reduces the waste from tires each year. In California alone, tires create an estimated 408 million pounds of waste rubber.