At the same time, some of the humid regions may need to manage additional precipitation by rethinking their conjunctive water management approaches, to reduce recharge and increase use, e.g. with more pumping, drainage, and less surface water use for irrigation, to mitigate the potential risks of water logging and salinity (Chapter 2). This chapter helped identify some of the key aspects of groundwater management on which to build locally-specific strategies (Table 5.1). Of these, two primordial items appear to be prominently missing in OECD countries, and/or necessary to ensure that groundwater is better used in the future. New discoveries of groundwater sources in Africa and under the seafloor, as well as unprecedented published estimates of groundwater depletion in Northern India and western United States show there is progress, at least in some regions.