Agriculture contributes nearly half of the phosphorus pollution that causes Green Bay's annually recurring dead zone, where the water lacks oxygen to support life.

Farmers vow to reduce phosphorus, bane of Green Bay

Despite fish kills, toxic algae blooms, unsafe beaches and an annual dead zone in the Lake Michigan bay sparking concern across the region, the level of phosphorus loading has changed little over the past two decades, and even gone up in the past couple of years. “I’m part of the problem,” said John Pagel of Pagel’s Ponderosa Dairy, one of the largest farms in Wisconsin, at a summit hosted by U.S. Rep. Reid Ribble in Green Bay. “But I’m also part of the solution.” Continue Reading