Schools install pricey filters to protect kids from frac sand In Wisconsin, the booming frac-sand industry is bringing lots of challenges. Still, some lawmakers want to prevent local governments ...

A sand pool filter is mechanically simple, so they tend to hold up well over time. They don’t take up a lot of space, competent DIYers can install them, and maintenance demands are modest. With ...

A Winona environmental group is recommending that air monitors be installed around the city to measure the effect that the processing and shipping of sand used in fracking has on air quality. The ...