Agence France-Presse: The eastern lobe of the disaster-struck Aral Sea seems to have shrunk by four-fifths in just three years, the European Space Agency (ESA) said on Friday. It released an overlay of photographs taken by one of its Earth observation satellites, Envisat, on July 1 2006 and July 6 2009. Once the world’s fourth-largest inland body of water but now a byword for ecological calamity, the Aral Sea has been retreating over the last half-century after rivers that fed it were diverted for …