How animal waste is helping turn China's lakes green

The Guardian
Animal husbandry is contaminating China's water and has been linked to bright-green lakes, a phenomenon know as eutrophication. More here. 

Lest we North Americans feel smug, this image shows one of countless
"eutrophied" sloughs in Manitoba, on the Canadian prairies. A PinP photo.

Related: In Hogs We Trust - Part 1V - The health and environmental price we Manitobans will pay for an expanded hog industry.