News tagged with polluters

Guide to the 2014 Leonid meteors

If there's one meteor shower that has the potential to bring on a storm of epic proportions, it's the Leonids. Peaking once every 33 years, these fast movers hail from the Comet 55P Temple-Tuttle, and radiate ...

Nov 12, 2014
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When thawing glaciers release pollutants

As glaciers increasingly melt in the wake of climate change, it is not only the landscape that is affected. Thawing glaciers also release many industrial pollutants stored in the ice into the environment. ...

Nov 03, 2014
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Coming up for air

Sometimes you've got to hit bottom to battle your way back up. In 1992, the United Nations cited Mexico City as having the worst air quality in the world, with so much pollution that birds sometimes dropped ...

Oct 29, 2014
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Study shows no lead pollution in oilsands region

New research from a world-renowned soil and water expert at the University of Alberta reveals that there's no atmospheric lead pollution in Alberta's oilsands region—a finding that contradicts current scientific ...

Oct 24, 2014
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