Sunday, November 02, 2008 7:00 PM
hard would it be to learn if river phosphorus concentrations are dropping in
response to a new city ordinance restricting the sale and use of lawn
fertilizers containing phosphorus? That is the question posed to me about a year
ago by the environmental coordinator of the city of Ann Arbor, Michigan. Like
several other communities in Michigan, as well as in New Jersey, Wisconsin,
Florida, and entire states including Maine and Minnesota, the city council had
voted to take a step that More...