Sunday, 13 October 2013

A Lake in Washington State Holds a Century of Canadian Pollution

Wenatchee World

People along Lake Roosevelt, a 150-mile-long stretch of the Columbia River, worry that their waterways have become the repository for much of the 10 million tons of slag that a Canadian smelter just north of the border dumped into the river for decades. 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, ...