Strengthening Cooperation over Transboundary Groundwater Resources

Groundwater is humanity’s most vital supply of freshwater. Freshwater resources contained in aquifer systems globally are two orders of magnitude greater than those found in all rivers, lakes, and other surface freshwaters combined. Moreover, approximately one half of the world’s population today is dependent on groundwater for its basic needs.

While these truisms are widely acknowledged, an additional reality is now recognized – many of these subsurface freshwater reservoirs are actually tr...