Could turning aquifers into managed reservoirs prevent water shortages and seawater contamination?

It seems the neatest of solutions: take the winter water that rages, unneeded, to the sea, put it in a great underground tank, and drag it out again as the summer dry threatens to brown the grass and suck the life out of parched apples, lettuces, peas.

Managed aquifer recharge is the new buzz phrase in the search for answers to New Zealand's twin problems of increasingly scarce water and weed-choked rivers toxic enough to kill fish. Read more