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 Twa Great Lakes Twa The Great Lakes Twa, also known as "Batwa", "Abatwa" or "Ge-Sera", are a pygmy people who are generally assumed to be the oldest surviving population of the Great Lakes region of central Africa, though currently they live as a Bantu caste. Current populations are found in the states of Rwanda, Burundi, Uganda and the eastern portion of the Democratic Republic of Congo. In 2000 they numbered approximately 80,000 people, making them a significant minority group in these countries. Apart from anthropological literature, the term "Twa" generally refers to the Twa of the Great Lakes region. There are