For those not in the USA, and wondering wtf is the halliburton loophole, and what does it have to do with fracking in my country, the link below provides a good, balanced summary....btw,.it is USA leglislation exempting fracking from the USA federal safe water act. It is a good example of politicians putting personal and economic interests ahead of environmental interests. There have been attempts to rectify the loophole, through legislative changes. The legislation has no influence beyond the USA.

halliburton loophole