If such practices were extended across Asia, groundwater depletions might well be arrested.

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Another worry is that fracking fluids regurgitated up well-shafts might percolate into groundwater.

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It will take the format of a three-day event, with plenary sessions, as well as technical working sessions on thematic aspects of groundwater governance.

UNESCO: Programme meetings | United Nations Educational, Scientific and Cultural Organization

But danger may well return in another form if the toxic chemicals leach into the groundwater.

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So long as well-shafts are properly sealed, there is hardly any risk that fracking will poison groundwater.

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It attaches to well tubes like a regular filter or is placed in a trench to intercept the contaminated groundwater from a landfill.

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