Wehr Nature Center Gov. Walker Budget Sends Shivers Through Environmental Education Community By Susan Bence • Mar 27, 2015 S Bence Conservation education dates back to 1935 in Wisconsin. That’s when state law required that grade and high school students learn about natural resources. Three Hidden Nature Treasures in Milwaukee By Mitch Teich & Stephanie Lecci • May 27, 2013 Jeramey Jannene/Flickr Listen Listening... / 7:02 Lake Effect's Mitch Teich interviews outdoor activities contributors Stacy Tornio and Ken Keffer. For an urban city, Milwaukee's got a lot of nature around.