Homes near B.C. fracking sites have more pollutants: study on health impacts

Protesters gather outside the Nova Scotia legislature in Halifax to show their opposition to the use of hydraulic fracturing or fracking, on Friday, April 22, 2011. (Andrew Vaughan / THE CANADIAN PRESS) Protesters gather outside the Nova Scotia legislature in Halifax to show their opposition to the use of hydraulic fracturing or fracking, on Friday, April 22, 2011. (Andrew Vaughan / THE CANADIAN PRESS)

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