I think we need to stop drawing water from under the ground, it is causing some major problems, and increasing desertification. The Chinese are starting to provide desalination plants, and this would seem to be a better solution. It provides a pretty marginal reduction in sea levels, but more importantly, it starts to replace the groundwater, and can lead to reforestation if managed correctly.
Ancient people is the one who knew that we could get water from the ground and it was used ever since that period up to now and now we are taking the toll of what they have exploited.
I think each country already laying down a plan to conserve ground water and recycle water from daily usage of people and rainfall which will greatly help in water shortage we are experiencing now.