Best intentions

Unfortunately those recycled tires, ground up and sprinkled throughout the artificial turf for traction, contain heavy metals and other road toxins known to cause childhood leukemia in soccer players who come into contact with too much of it.

There are other types of artificial turf available without the recycled tires, but those are still subject to another common complaint, that the plastic melts when placed outside of highly energy efficient windows, since the infrared sunlight bounces off the glass so efficiently, doubling the heat on the thermoplastic grass blades.