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The amount of raw sewage dumped into the waters was the primary focus of both the first Great Lakes Water Quality Agreement and federal laws passed in both countries during the 1970s. Implementation of secondary treatment of municipal sewage by major cities greatly reduced the routine discharge of untreated sewage during the 1970s and 1980s. [90]
The Great Lakes–St. Lawrence River Basin Water Resources Compact is a legally binding interstate compact among the U.S. states of Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania and Wisconsin. The compact details how the states manage the use of the Great Lakes Basin's water supply and builds on the 1985 Great Lakes ...
President Richard Nixon and Prime Minister Pierre Trudeau at the signing ceremony for the Great Lakes Water Quality Agreement in 1972. The Great Lakes Water Quality Agreement between the United States and Canada more specifically defines Areas of Concern as "geographic areas that fail to meet the general or specific objectives of the agreement where such failure has caused or is likely to ...
As climate change continues to alter the world around us, researchers have now taken a deep dive into the Great Lakes, uncovering that the lakes are experiencing a loss of 14 winter days per decade.
Great Lakes–Saint Lawrence River Basin Sustainable Water Resources Agreement, an environmental agreement between eight US states and two Canadian provinces, signed 2005. Great Lakes Compact, an interstate compact among the U.S. states of Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania and Wisconsin, first signed 2007.
The Great Lakes Waterway (GLW) is a system of natural channels and artificial locks and canals that enable navigation between the North American Great Lakes. [1] Though all of the lakes are naturally connected as a chain, water travel between the lakes was impeded for centuries by obstacles such as Niagara Falls and the rapids of the St. Marys ...
At times, the ice sheet's southern margin included the present-day sites of coastal towns of the Northeastern United States, and cities such as Boston and New York City and Great Lakes coastal cities and towns as far south as Chicago and St. Louis, Missouri, and then followed the present course of the Missouri River up to the northern slopes of ...
The St. Lawrence River and the largest tributaries of the Great Lakes. The St. Lawrence River tributaries are listed upstream from the mouth. The major tributaries of the inter-lake sections are also shown, as well as the major rivers that flow into the Great Lakes. Great Lakes tributaries are listed in alphabetical order.