The Women’s Environmental Institute in North Branch, MN, welcomes volunteers at any time on Saturday, July 10 to mob the crops with many weeders. It includes a Whacky Weeder’s Potluck Picnic and a Make-Your-Own Wood-Fired Pizza Day; weeding starts at 6am and continues until the last weed has been pulled. Call at 651.583.0705 or email wei@w-e-i.org. For directions, check this map.