A proposal to put 700 wind turbines along the shores of Lakes St. Clair and Erie, each about as tall as a 40-story building, is provoking controversy in Canada and the U.S.

The turbines, planted on the lake bottom and arranged in grids jutting more than 3 miles out into the lakes, easily would be seen from the marinas and mansions of the Grosse Pointes, as well as from Rockwood, Gibraltar and Grosse Ile.

Some residents on both sides of the border are worried about how the windmills would affect shoreline property values, fishing, boating and bird migration. The turbines would be on major migratory pathways for birds at several major wildlife refuges, including Point Pelee, Ontario, and the Detroit International Wildlife Refuge.
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