A center pivot manure irrigation system is used to spread manure on a Wisconsin corn field.

Manure spraying under scrutiny

Life for Wisconsin families has been disrupted by the relatively rare practice in Wisconsin of using water irrigation systems to spray liquid manure on farm fields. Now the issue has taken on new urgency as more large dairy farms consider using the practice.

Mega-dairy’s growth plans hotly debated

A four-day hearing on challenges to the expansion of a Kewaunee County mega-dairy illustrated deep divisions, ranging from neighbors who shared fears of polluted wells and illness to fertilizer and feed dealers who showed up to express their support of big farms.

Overview: Endocrine disruptors in the environment

Scientists have learned that some chemicals may mimic or disrupt the hormones of people and wildlife, with potentially health-damaging results. They can be natural, like the estrogens produced by plants or cows, or synthetic, like birth control pills. They are known to be widespread in the nation’s waters, and to a lesser extent have turned up in groundwater. Sidebar to story on estrogenic wells in northeastern Wisconsin’s karst region.

Frac sand health fears rise as mining booms in Wisconsin

Like some other west-central Wisconsin residents, Frances and Dean Sayles are frustrated with the state Department of Natural Resources’ lack of a comprehensive approach to addressing concerns surrounding potential health problems from crystalline silica dust. Now some residents, academics, local government officials and even a frac sand producer have begun taking action.