Nick Witcraft knew he’d have a busy morning when his phone notified him that Canadian wildfire smoke was drifting across the U.S.-Canadian border eight days ago.  Witcraft, a meteorologist for the Minnesota Pollution Control Agency (MPCA), is among a team of state forecasters who issue air quality alerts whenever a wildfire or any other major … Continue reading The Midwest Could Be in for Another Smoke-Filled Summer. Here’s How States Are Preparing