... http://www.huffingtonpost.com/2013/02/14/frac-chemicals-spill-near_n_2689822.html ...
... http://www.sfgate.com/business/energy/article/Report-Flaws-in-EPA-drilling-pollution-data-4298903.php#ixzz2LdoeHzWD ...
... ...
... http://www.worldenergyoutlook.org/goldenrules/#d.en.27023 ...
... http://www.newtechmagazine.com/news/experts-begin-work-designing-albertas-environmental-monitoring-system/1000993731/ ...
... http://www.oilandgaseurasia.com/news/p/0/news/14981 ...
... http://fracfocus.org/ ...
... http://www.usatoday.com/money/story/2012-03-09/fracking-gas-drilling-earthquakes/53435232/1 ...
... Shale gas extraction causes environmental risks On 16 January 2012, the press-conference entitled “Shale gas extraction: violation of the community’s rights and environmental risks” was given by Iryna Sekh, head of the Commission of Environment, Natural Resources and Recreation of Lviv Regional Council, Dmytro Skrylnikov, head of NGO “Bureau of Environmental Investigations” and Yelyzaveta Alekseyeva,... ...