Hundreds of Americorps members will join forces with the Natural Resources Foundation and the state DNR to attack invasive plant species in Sauk County on Wednesday, May 14. "From what we can tell, this is going to be the largest single largest one-day volunteer event to combat invasive species in Wisconsin history," said Kelly Kearns, plant conservation manager for the Department of Natural Resources. "Invasive species don't just threaten the beauty of Wisconsin's lands and waters, they also cost us millions of dollars each year," she said. The invasive plants to be combated on May 14 include garlic mustard, buckthorn...