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Wednesday 1 October 2014

Health expert: Risk from fracking is ‘significant’

Michael McHugh

Published 03/01/2013 | 14:51

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THE risk posed by fracking remains significant, a leading environmental health expert in Northern Ireland has said.

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There are still too many unknowns and gaps in the evidence surrounding the emerging use of shale gas, the director of the Institute of Environmental Health in Northern Ireland said.



The Australian energy exploration company Tamboran hopes to begin extracting gas in Fermanagh by early next year.



The director of the environmental health institute, Gary McFarlane, said: "The precautionary principle must still hold - there are still too many unknowns and in the evidence vacuum that still exists my own view is that wider risks must be considered significant until they have been objectively proved otherwise."



The controversial method of extracting gas from shale rock has historically used a solution containing potentially toxic chemicals to break up rock and release the gas.



The process has consistently come under fire from a broad spectrum of environmental experts and campaigners, including a coalition of the world's biggest institutional investors which stepped up pressure on oil and gas companies to become greener.



Tamboran has pledged no chemicals will be used in its fracking process.



Although gas is the "cleanest" of the fossil fuels, there is a lack of scientific literature around the intensive method, according to a recent Canadian public health report.



Gaps in the evidence surround its impact on community or mental health and socio-economic wellbeing.



The Canadian report also highlighted a lack of public health input into the investigation of fracking thus far and said there were still too many unknown risks.



Mr McFarlane warned it was unclear how much gas could be recovered from the UK's deposits and said extraction could affect CO2 emissions figures because it releases methane.



The scale and intensity of the new form of fracking, high volume hydraulic fracking, combined with the vastly increased amounts of water required, has led some US states and other countries to consider it unproven.



Mr McFarlane said the increasing role of gas was necessary to help the UK turn away from other fossil fuels but added this must not be at the expense of renewable alternatives.



"I believe it is critical that the Department of the Environment involves public health professionals in the continuing review and assessment of shale extraction to analyse the potential impact that it will have on the wellbeing of impacted communities," he said.

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