How Are Lichens/canaries And Reindeer Associated With Air Pollution?
Lichens are very sensitive to air pollution and if there are none in your community then the air is most likely polluted., canaries were used by miners to detect harmful gases -- if they quit singing (died) the miners knew to get out of the mine. thousands of reindeer in Lapland became too radioactive to eat after the Chernoble nuclear reactor melt-down because they feed on tundra lichen.
