North American shale: game-changer?

Attractive graphic of shale gas reserves in North America, along with an article on where gas from the massive Marcellus Shale will go, who is building new pipelines, the importance of transparency and proactive communication on the environmental impact of fraccing, and how the Marcellus Shale could change the game:

Van Atta said that ideally it will not be a zero-sum game for the natural gas industry... "Marcellus will be a true game changer if its vast apparent wealth can be leveraged into much higher penetration of natural gas in the overall energy mix in the Northeast market. To accomplish that may require a unity of purpose beyond that which the fragmented natural gas industry can produce."