Summary of Dan Egan's The Death and Life of the Great Lakes

Please note: This is a companion version & not the original book. #1 The St. Lawrence Seaway, which was created to connect the Atlantic Ocean with the five inland seas, did not conquer nature, but instead unleashed it in the form of an ecological catastrophe. #2 The Mediterranean Sea was dry for hundreds of thousands of years, but around 5. 3 million years ago, it was flooded by the Atlantic Ocean. The Black Sea was isolated from the Mediterranean Sea around 7,600 years ago. #3 The Great Lakes were once isolated from the Atlantic Ocean, but erosion has been taking place at Niagara Falls for thousands of years. It is expected that the falls will disappear in about 50,000 years, which is geologically speaking, pretty soon. #4 The St. Lawrence River, which flows into the Gulf of Saint Lawrence, is a map-taunting example of how the tendril of blue that stretches out from Lake Ontario turns viciously narrow and impenetrable to upstream navigation just upstream of Montreal.

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