be polluted—and what needs to be done to save this essential natural resourse. Water: A Natural History takes us back to the diaries of the first Western explorers; it moves from the reservoir to the modern toliet, from the grasslands of the Midwest to the Everglades of Florida, throught the guts of a wastewater treatment plant and out to the waterways again. It shows how human-engineered dams, canals and farms replaces nature's beaver dams, prairie dog tunnels, and buffalo wallows. Step by step, Outwater makes clear what should have always been obvious: while engineering can depollute water, only ecologically interacting systems can create healthy waterways.Important reading for students of environmental studies, the heart of this history is a vision of our land and waterways as they once were, and a plan that can restore them to their former glory: a land of living streams, public lands with hundreds of millions of beaver-built wetlands, prairie dog towns that increase the amount of rainfall that percolates to the groundwater, and forests that feed their fallen trees to the sea.

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