Chicago-based Coors announced that this summer, the beer brand also wants to refresh the Great Lakes. For every case of 12-ounce cans sold this summer in select states, Coors Light will donate 25 cents to the Alliance for the Great Lakes, a nonprofit organization devoted to ensuring a healthy Great Lakes for people and wildlife for future generations, up to a maximum of $60,000, the company says. The Coors Light "keep 'em great" campaign will run through the end of August in Illinois, Indiana, Michigan, Ohio and Wisconsin.