Great Lakes Areas of Concern rivers, and oceans causing pollution and buildup of sediment. Nonpoint source pollution is said to be the most problematic and hardest to reverse of the types of pollution because it is so hard to regulate and pinpoint where it originates. Many experts agree that nonpoint source pollution is the biggest concern facing the Great Lakes. With the increase of urbanization, a toll has been taken on the lakes in these areas. Lakes that once had stable ecosystems with the appropriate amount of plant life are now full of massive amounts of plants and algae that have been fed by excess
Great Lakes Theater who credits the Great Lakes Theater Festival for beginning his acting career. Great Lakes Theater was formerly known as Great Lakes Theater Festival, which continues to be its legal name. "Festival" was dropped from the classic theater company’s business name to better reflect its September through May season, and programming format. Arthur Lithgow started what was going to be Great Lakes in the 1950s at Antioch College, in Yellow Springs, Ohio. During the few years in Antioch, all of Shakespeare's plays were performed. The company traveled for performances at Stan Hywet Hall in Akron, the Toledo Zoo, and Cuyahoga Falls.