Orange lichen

Lichen is an incredibly strong and lively fungi. It is the first organism to return after a wildfire, and, remarkably, a checkpoint for air pollution. Lichen, as hardy as it is, refuses to grow in areas with high air pollution.

 
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Erik Mexas
Erik Mexas
3 years ago

I wonder if it would be too invasive to use as a “home test” to see the state of pollutants in other US states.

Stathi
Stathi
3 years ago
Reply to  Erik Mexas

That is a good idea except, it is indeed too invasive.

Oliver
Oliver
3 years ago
Reply to  Erik Mexas

I love your idea because, it goes into the topic of using old, not new, technologies to save our planet. We don’t need fancy machines, just a simple yet invariably intelligent organism to help us.

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