Related topics: fish · algae · mississippi river · invasive species

NASA helps warn of harmful algal blooms in lakes, reservoirs

Harmful algal blooms can cause big problems in coastal areas and lakes across the United States. When toxin-containing aquatic organisms multiply and form a bloom, it can sicken people and pets, contaminate drinking water, ...

Overflowing Great Lakes pose new threat for endangered bird

Peering through a spotting scope mounted on a tripod, researcher Alice Van Zoeren notices a piping plover skittering across a sandy, pebble-strewn Lake Michigan beach and hopping into a nest, swapping places with its mate.

Rapid water quality tests better protect beachgoers

Planning a trip to the beach? Along with looking forward to some summer fun, beachgoers may be thinking about the safety of their waterfront destination. Will the water be clean enough for swimming, surfing, wading and all ...

Army Corps approves $778M plan to block Asian carp advance

The head of the Army Corps of Engineers has sent Congress a $778 million plan to fortify an Illinois waterway with noisemakers, electric cables and other devices in the hope that they will prevent Asian carp from reaching ...

Great Lakes

The Great Lakes (French: Grands Lacs) are a chain of freshwater lakes located in eastern North America, on the Canada – United States border. Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, they form the largest group of freshwater lakes on Earth. They are sometimes referred to as the "Third Coast" by some citizens of the United States. Because of their size, some regard them as inland seas.[citation needed]

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