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New study links fracking to birth defects in heavily drilled Colorado

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Fracking cuases birth defectsLiving near hydraulic fracturing — or fracking — sites may increase the risk of some birth defects by as much as 30 percent, a new study suggests. In the U.S., more than 15 million people now live within a mile of a well.

The use of fracking, a gas-extraction process through which sand, water and chemicals are pumped into the ground to release trapped fuel deposits, has increased significantly in the U.S. over the past decade. Five years ago, the U.S. produced 5 million barrels of oil per day; today, it's 7.4 million, thanks largely to fracking.

Supporters of the industry say it creates jobs and spurs the economy, while critics say its development is largely unregulated and that too little is known about pollution and health risks.

The report by the Colorado School of Public Health, released Jan. 28, gathered evidence from heavily drilled rural Colorado, which has among the highest densities of oil and gas wells in the U.S.

“What we found was that the risk of congenital heart defects (CHD) increased with greater density of gas wells — with mothers living in the highest-density areas at greatest risk,” Lisa McKenzie, a research associate at the Colorado School of Public Health and the lead author of the study, told Al Jazeera.


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