Fracking is destroying not only the land and earth surrounding the wells (Causing more than 300 earthquakes with a magnitude of 3.0 a year in central and eastern america in 2010-2012 as to the year average of 21 earthquakes from 1967-2000)
Ontop of causing more earthquakes than ever, fracking is polluting our water supply in the surrounding areas with well over 1000 recorded cases of water being contaminated to the extent in which their water supply can catch on fire with a simple flame.
For more information on this subject please visit http://www.dangersoffracking.com/
watch the movies "Gasland" and "Gasland 2"
and refer to the http://www.cleanwateraction.org/page/fracking-dangers.
If you are still unsure about the dangers of fracking, use any search engine you like to inquire info