The Tennessee Valley Dams
The Best Dam Place in the Country
Valley of Opportunity!
Intense graphic shows dams built in the US since 1800, which really isn’t that long ago. Here in Massachusetts, the state is trying to dismantle old, unused dams to increase biodiversity and bring fish back to tributaries. For more on human impacts on the environment, click here.
James Syvitski of the University of Colorado used this 200-year compilation of dams built in the USA in his talk on the age of the human-shaped Earth at the Geological Society of London, May 11, 2011.