The photos are really amazing, and sad. Definitely a case of officials disregarding any kind potentially negative environmental impact.

The destruction of the Aral Sea is one of the great engineering disasters of the 20th century, a mistake on a scale so vast that photographs from space are needed to capture it.

When Soviet officials decided to divert its rivers, turning Kazakhstan’s western deserts into fragile cotton farms, the Aral Sea was the world’s fourth-largest lake, covering an area the size of Ireland. Now it’s less than a tenth of that size. Left behind are 15,000 square miles of salty, toxin-laden lake bed. Sandstorms toss 150,000 tons of it into the region’s air every year, and are linked to intensified regional climate extremes and increased rates of cancer and lung disease.

On Friday, the European Space Agency released before-and-after satellite photographs of the Aral Sea in 2006 and 2009. Earlier satellite images were taken by the United States Geological Survey in 1999, 1987 and 1973, shortly after the sea started to shrink. The photos are shown oldest to newest below. (I actually flipped them, I think it's more striking to see what the sea looked like before the diverting took place.) Thanks to a World Bank-funded dam project, the sea’s northern tip will be preserved. The rest, however, is expected to vanish by 2020.

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