Toxic Freaking Fracking!

Written by Al Gore

The expansion of oil and gas fracking is adding to the injection of toxic liquid wastes into areas deep underground that have been thought to be safe repositories--until recently.  In the United States, an estimated 30 trillion gallons of toxic liquid waste have been injected into more that 680,000 wells for underground storage over the past few decades, even as the practice of fracking changes the underground geology, opening new fissures and modifying underground flow patterns.  Unfortunately, some of these deep repositories have leaked waste upward into regions containing drinking water aquifers.

Al Gore, The Future, p.165

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