The Color of Water Policy
What’s your favorite color – blue, or green? Water policy has focused traditionally on blue water (ground or surface water released into the atmosphere by evaporation), but there’s more to the water-use equation. To understand water use and availability more broadly, researchers are now considering the value and availability of green water (that which is released back to the atmosphere by plants). In this paper, green-water use and availability is investigated at a global scale, leading the authors to advocate for inclusion of green water into water policy considerations.
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