Using lichen as indicators of air quality

Using lichen as indicators of air quality
By Henry Unwin
13th October, 2009
TheEcologist.org

Curious about the air quality in your area? Lichen are nature's own indicators of polluted or pure air. Take part in a national survey that will help give scientists a greater insight into England's air quality

Scientists at Open Air Laboratories (OPAL) have launched a national Air Survey aimed to investigate the impact of pollution on air quality in England.

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