Toxin Trackers
Canadian Geographic|July/August 2019

Atmospheric Readings In The High Arctic Shed Light On How Fires Affect Air Quality And Climate

John Bennett
Toxin Trackers

WHEN A WILDFIRE RAGES through a forest in Northern Canada, Alaska or Russia, prevailing winds blow toxic emissions north to the Arctic. As climate change brings warmer, drier summers to the world’s boreal forests, fires are getting bigger and more frequent. What does this mean for the atmosphere at the top of the world — and for the rest of the planet? Erik Lutsch, a PhD student in the department of physics at the University of Toronto, is part of a team looking for the answers.

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