Sometimes, pollution is blatantly obvious: the iridescent slick of an oil spill, goopy algae washing up on a beach or black smoke belching from a smokestack. But, more often than not, pollution is more inconspicuous.

Our air, water, land and wildlife are tainted with thousands of chemicals that we cannot see, smell or touch. It may not come as a surprise then, that this unnoticed pollution isn’t considered the important threat to wildlife that it should be.

The planet has entered the sixth mass extinction of plants and animals, according to scientists, and Canada is not immune. More than half of Canada’s grassland birds and aerial insectivores have been lost in only 50 years, and between 1970 and 2014, the more than 500 mammal populations monitored in Canada shrank by an average of 43 per cent.

But the assessments that evaluate species to determine those that are at risk of extinction are underestimating the importance of pollution. The good news is that my colleagues and I think we have come up with a potential solution to this problem.

 

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Image via Andrew Ridley - Unsplash.