Lichens: indicators of air pollution

The Open Air Laboratories (OPAL) are researching the relationship between lichens and air pollution and at the same time have created an initiative to educate people about it.

"The OPAL air survey is studying lichens found on trees and also looking for tar spot fungus on sycamore leaves. Both can tell us a great deal about local air quality."

In their website they provide a kit for people to go out and take samples of lichens that they can later upload to the site, creating a database that contributes to the research.

collection from/around the site