Media Releases

TTC subway system 10 times more polluted than outside, study shows

April 25, 2017

Toronto Star | April 26, 2017

A new study co-authored by U of T Engi­neer­ing Pro­fes­sor Greg Evans shows that sub­ways increase our per­son­al expo­sure to cer­tain pol­lu­tants, even as they decrease over­all emis­sions – and that Toron­to has the high­est lev­els in Cana­da. Read more.