Guardian: The toxins that contaminated the water supply of the city of Toledo leaving 400,000 people without access to safe drinking water for two days were produced by a massive algae boom. But this is not a natural disaster.
Water problems in the Great Lakes the worlds largest freshwater system have spiked in the last three years, largely because of agricultural pollution. Toledo draws its drinking water from Lake Erie.
Residents were warned not to drink the water on Saturday, after inspectors...