. . . "Dying rivers dry up livelihoods http://www.irinnews.orgMUREWA, 25 April 2012 (IRIN) - Thousands of poor Zimbabweans have turned to illegal panning for precious minerals, but environmental and water experts say their activities are contributing to the drying up of rivers which many communities rely on for their livelihoods.???Siltation of rivers is becoming endemic in the country, particularly in r" .