This is the VOA Special English Development Report. Scientists are working to develop crop plants that can reduce the amount of water used for agriculture. Almost sixty percent of the world's freshwater withdrawals from rivers, lakes and other water...
By Nico Colombant Dakar 14 February 2007 The small, impoverished former Portuguese colony, Guinea Bissau, has one cash crop - cashews. It accounts for an estimated 80 percent of foreign exchange earnings. Eighty-five percent of the population depend...