First Look Moss could be used to monitor urban pollution, Japanese scientists say

Japanese scientists believe that moss – a common plant in the island nation – could be used as a 'bioindicator' to gain valuable insight into pollution and other atmospheric data. 

Kim Kyung-Hoon/Reuters/File

Delicate mosses found on rocks and trees in cities around the world can be used to measure the impact of atmospheric change and could prove a low-cost way to monitor urban pollution, according to Japanese scientists.