The National Association of Conservation Districts (NACD) celebrated its 75th anniversary Sunday in Chicago, Illinois, where the association was founded in 1946. The event featured remarks from U.S. Department of Agriculture (USDA) Secretary Tom Vilsack and U.S. Senator Tammy Duckworth, as well as a historical presentation from Soil and Water Conservation Society (SWCS) Historian Joe Otto. Vilsack said, “NACD and NRCS …