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 Aircraft Company in various stages of completion were moved to Eastman, Georgia. Franklin completed the in process airframes and then built serial numbers 1001 through 1010. Franklin still owns serial number 1001. Franklin sold Great Lakes to a group in New England and they went out of business in 1983. In 2000, John Duncan of Palmer Lake, Colorado, bought the Great Lakes Sport Trainer type certificate and tooling. In 2006 Duncan announced his plan to bring the Sport Trainer back into production once again. When he gets 10 airplane orders, the factory will begin production. Duncan named the company, Great Lakes Aircraft