The Illinois Department of Natural Resources (IDNR) is a state agency responsible for managing and protecting Illinois' natural resources. This includes overseeing state parks, wildlife, and fisheries, as well as promoting outdoor recreation and conservation efforts. The IDNR works to ensure that the state's natural environments are preserved for future generations. In addition to managing public lands, the IDNR also provides educational programs and resources to help residents understand and appreciate their natural surroundings. The agency collaborates with various organizations and communities to promote sustainable practices and enhance the quality of life for all Illinois residents.