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Seminar on climate change: Continuous observations stressed to cope with glacier-related hazards
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Daily Times
July 27, 2021
Human civilisation has been changing the Earthsince forever with no heed to its detrimental impacts. Urbanisation, deforestation and dam construction alter water cycles and wind patterns; occasionally triggering droughts, even creating deserts. Since Pakistan’s population growing by over two per cent every year, many Pakistanis are flocking to big cities and towns, way faster than in any other South Asian country. The nature of this urbanisation can best be described as “slumisation” or “ruralisation” of urban life. According to a rough estimate, more than half of Pakistan’s projected 250 million population is expected to live in these slums or shantytowns by 2030.
Potential Role of Indus Basin in Global Sustainable Development
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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.