Pennsylvania’s #Marcellus Shale “could end up changing the g aspwv2013-09-06T00:00:00-04:00September 6th, 2013|Twitter| Pennsylvania’s #Marcellus Shale “could end up changing the global market for natural gas” via @WWNO http://t.co/pldoOKcp4G Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkEmail