Hydraulic fracturing has raised environmental concerns and is challenging the adequacy of existing regulations. These concerns have included ground water contamination, risks to air quality, migration of gases and hydraulic fracturing chemicals to the surface, mishandling of waste, and the health effects of all these.
Exposure to the types of chemicals used has been linked to certain cancers, diabetes, and metabolic syndrome (the name for a group of risk factors that occur together and increase the risk for heart disease, stroke, and type 2 diabetes). Fifty-five percent of the chemicals cause brain and nervous system damage, and many are linked to cancer and organ damage. The threat of exposure to these chemicals occurs via contaminated air, water, and soil.
You have these gas wells that have pipes going down into the ground to extract the gas and around these pipes is a layer of cement. The problem is the cement basically fails and allows some of the gas to escape through the surface and thus ending up in our drinking water. With hundreds and thousands of these wells, it’s only a matter of time that a few hundred or so of these wells will start leaking. Cement failure is also what caused the oil wells in the Gulf of Mexico to fail.
Great Picture explaining what happened to the well in the Gulf of Mexico. http://media.nola.com/news_impact/other/oil-cause-050710.pdf
To find out more info watch this https://vimeo.com/44367635 short film “The sky is pink” by Josh Fox And I highly recommend watching Josh Fox’s “GASLAND”, which can now be watched on Netflix.
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