Article’s main point: There is a little-known form of pollution caused by tires, which contains various harmful substances such as heavy metals and carcinogenic chemicals. These pollutants are released into the environment through tire wear and tear, and can have negative impacts on both human health and the environment. An investigation has found that this issue is a significant concern, with millions of tons of tires being discarded each year and only a fraction being properly recycled.
Answer:
* Tire pollution is a little-known but significant environmental issue, with millions of tons of tires being discarded each year.
* Tire pollutants include heavy metals and carcinogenic chemicals, which can have negative impacts on both human health and the environment.
* Only a fraction of tires are properly recycled, with the majority ending up in landfills or being improperly disposed of.