Minnesota has struggled to reduce the farm pollution that runs into the Mississippi River watershed. So crop breeders at the University of Minnesota are working on new perennial and winter annual crops to suck up that pollution before it escapes. Food scientists and marketers are trying to develop u
NORTH LIBERTY – Lou Licht was once a polluter – aiding and abetting companies that spewed toxins into the air and water. Today he could hardly be greener. With a quick-growing, toxic-zapping tree and a patented technique, Licht cleans up the types of messes he once helped create. His professional an
