Should fracking stop? Natural gas from shale is widely promoted as clean compared with oil and coal.
September 15, 2011
Should fracking stop? Natural gas from shale is widely promoted as clean compared with oil and coal, a ‘win–win’ fuel that can lessen emissions while still supplying abundant fossil energy over coming decades until a switch to renewable energy sources is made. But shale gas isn’t clean. Are the health and environmental risks too high? Nature
http://www.nature.com/nature/journal/v477/n7364/full/477271a.html
Should be available in most college libraries.
GDACC 
