Cyanotoxin which is why they are usually green or blue. Cyanobacteria are found almost everywhere; in oceans, lakes and rivers as well as on land. They flourish in Arctic and Antarctic lakes, hotsprings and wastewater treatment plants. They even inhabit the fur of polar bears, to which they impart a greenish tinge. Cyanobacteria produce potent toxins, but they also produce helpful bioactive compounds, including substances with antitumour, antiviral, anticancer, antibiotic and antifungal activity, UV protectants and specific inhibitors of enzymes. Cyanotoxins are often implicated in what are commonly called "red tides" or "harmful algal blooms". Lakes and oceans contain many single-celled
The Great Lakes Group was awarded a Military Sealift Command contract. Admiral provided tugboat and harbor towing services at the United States Naval Station, Pearl Harbor, Hawaii, and in the waters of the Hawaiian Islands for a period of up to five years with three Z-Tugs. The Great Lakes Group The Great Lakes Group (GLG) is an American full-service marine-related transportation company headquartered in Cleveland, Ohio. The Great Lakes Group is the parent Company to The Great Lakes Towing Company, Great Lakes Shipyard, Tugz International L.L.C., Puerto Rico Towing & Barge Co., Soo Linehandling Services, Admiral Towing and Barge Company, and Wind Logistics, Inc.