Summer is here and the mercury is rising… literally
Wednesday, July 15, 2009 - 13:42
in Earth & Climate
Hot town, summer in the city. When it comes to air-quality advisories, city residents are no strangers, especially during the dog days of summer. But smog is made up of an array of air pollutants, including the mad hatter`s muse, mercury. One Ryerson University researcher has found that summer is the peak season for this atmospheric toxin, and that higher levels of mercury species exist in the urban atmosphere as compared to rural regions.