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The writer is a freelance journalist based in Karachi.
IN school we were repeatedly told that two-thirds of the earth’s surface was water. The geography teacher would draw the globe, mark the continents and then colour the rest of the circle blue denoting water. Next we were told about glaciers that store huge amounts of freshwater. But nobody taught us that, invisible to us, there was even more water groundwater crammed between rock and sediment in the form of massive aquifers hundreds of feet below.
Even water managers and hydrologists who talk about harnessing and diverting surface water through building large and small infrastructure projects have failed to deliberate on the virtues, and therefore protection, of groundwater. In fact, experts acknowledge their understanding of groundwater, as compared to surface water systems, is limited.
Ensuring water for the marginalised — II - The Hindu BusinessLine thehindubusinessline.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thehindubusinessline.com Daily Mail and Mail on Sunday newspapers.