Saturday, 16 March 2013

Great Lakes Experiencing 'New Stresses'

CBC Radio
Pharmaceutical waste, fertilizers and climate change all new threats to fresh water. Full story here.

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Agriculture replaces fossil fuels as largest human source of sulfur to the environment

PHYS ORG A PinP photo. Historically, coal-fired power plants were the largest source of reactive sulfur, a component of acid rain, ...