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Direct linkSchwartz, Kerry L.; Thomas-Hilburn, Holly; Haverland, Arin – Journal of Geoscience Education, 2011
The world's population is growing by about 80 million people a year, implying an estimated increased freshwater demand of about 64 billion cubic meters annually (World Water Assessment Programme, 2009, Water in a Changing World: United Nations World Water Development Report 3, Chap. 1, p. 3-21). Groundwater depletion, which reduces the amount of…
Descriptors: Water, Earth Science, Science Instruction, Concept Formation
