Kids should play in sand, not breathe it in. Wisconsin’s New Auburn school district is upgrading air filters to prevent sand fragments from floating in from nearby frac-sand mines and getting into ...

A sand pool filter is usually cheaper to buy and run than cartridge models, so it’s no surprise they’re popular. However, it’s not all about the money, so we’ve been looking at whether this is truly ...

WINONA, Minn. (AP) — 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 ...