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“Our data indicate that the fracking and LNG industry is a much dirtier industry than it is made out to be,” added Werring. Other scientists have made the same point. More than 130 scientists recently criticized the federal government for assessing the climate change impact of a proposed Petronas LNG terminal in B.C. by using unverified and unrealistically small estimates of methane leakage. All LNG environmental assessments in the province to date have used a questionable methane leakage rate of 0.28 per cent estimated by the B.C. government — one of the lowest rates on the continent. The U.S. Environmental Protection Agency calculates that most natural gas operations lose about 1.33 per cent of their product, while some sites have recorded leakage rates as high as nine per cent. Leakage rates above three per cent make methane as dirty as coal in terms of direct impact on climate change.  The study recommends that industry and government should focus on locating and reducing super-emitting sites, and then follow up with infrared camera monitoring on a regular basis.

For the original version including any supplementary images or video, visit https://thetyee.ca/News/2017/04/27/Canada-Methane-Leakage-Under-Reported/

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