Sec. 503. (1) The department shall protect and conserve the natural resources of this state; provide and develop facilities for outdoor recreation; prevent the destruction of timber and other forest growth by fire or otherwise; promote the reforesting of forestlands belonging to this state; prevent and guard against the pollution of lakes and streams within this state and enforce all laws provided for that purpose with all authority granted by law; and foster and encourage the protection and propagation of game and fish.
Mich. Comp. Laws Ann. § 324.503 (West)