ALL evidence indicates that glaciers are melting and we`ll have very little rain in future. The Tarbela and Mangla dams are empty and, as if that wasn`t enough, India is building dams to prevent water flowing into Pakistan.

Yet some people are insisting that the Kalabagh dam should be built (making the nation poorer by $20bn and leaving future generations to pay the interest on the loan). So, if there won`t be any water, what are we going to fill the dam with? Shakir Lakhani Karachi