

Aral Sea, Uzbekistan
Once upon a time, there was an enormous inland lake, called the Aral Sea. It was the fourth largest inland body of water in the world, supporting fishing fleets and ferries, and tempering the entire regional climate.
Then, in the 1950s, some bright spark who had failed to complete his geography degree, decided to redirect the rivers feeding the lake, so that more cotton could be produced. The business case ran thus:
BENEFITS: More cotton
DISBENEFITS: Destruc...