Great Lakes Book Club Wrap-Up, California Groundwater. Feb 14, 2020, Part 1

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The Great Lakes hold 20% of the world’s surface drinking water, with Lake Superior holding half of that alone. The lakes stretch from New York to Minnesota, and cover a surface area of nearly 100,000 square miles—large enough to cover the entire state of Colorado. And they’re teeming with life. Fish, phytoplankton, birds, even butterflies call the lakes home for some portion of their lives. But not all is calm in the waters. In The Death and Life of the Great Lakes, journalist Dan Egan tells the story of the changes that have unbalanced these ecosystems since the St. Lawrence Seaway was first made navigable for cargo ships and, with them, invasive species, like sea lampreys, alewives,…