This book explores how to maximize the use of groundwater and rainwater for development and climate change adaptation in an approach called 3R. 3R stands for Recharge, Retention and Reuse.
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Groundwater is of high social, economic, environmental and strategic importance. It represents about 97% of the freshwater resources available on earth, excluding the water locked in the polar ice. Aquifers, among them numerous Transboundary ones, are coming under growing pressure from over-abstraction and pollution, which seriously threaten their sustainability. Up to now international law has paid much less ttention to ground- than to surface water. Slowly however, a body of rules dealing with this vital resource is emerging that indicates a trend towards more comprehensive international regulation.
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