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As residents of Toledo, Ohio, and the surrounding region recover from a weekend without access to usable tap water — the fault of a toxic algae bloom in Lake Erie — the crisis has set off new calls for stricter rules on the use the fertilizers that help contribute to the blooms. The algae bloom set off alarms on Saturday, causing authorities to impose a ban on the use of the city’s tap water, which comes from Lake Erie, affecting more than 400,000 people in Toledo... — Al Jazeera
