The Shale Renaissance
How Fracking Has Changed Pennsylvania in the Twenty-First Century
PAYBACK Punkte
26 °P sammeln!
Although a technique for hydraulic fracturing - more commonly known as fracking - was developed and implemented in the 1970s in Texas, fracking of the Marcellus Shale formation that stretches from West Virginia through Pennsylvania to New York did not begin in earnest until the twenty-first century.
