Blue – little water scarcity, Red – physical water scarcity, Peach – approaching water scarcity, Orange – economic water scarcity
Last year, the IWMI (International Water Management Institute) undertook the largest survey of global freshwater resources. The results were startling, even to the panel of hydrologists familiar with the issue. Of chief concern is the expected population rise, 8 billion worldwide by 2025. The five year study shows significant water issues in many developing areas, especially China and India. For example, in India, water tables have been dropping by 6 meters …