Blueprint America -- with Weekend America -- in a report on modern day gas prospecting in the hills of Northeastern Pennsylvania.

Gas exploration has been happening in Pennsylvania since the 1800s. However, a new technology and new price incentives have made possible the exploration of the Marcellus shale. It is a geological formation – the size of Greece – stretching from New York to West Virginia and holding what could become the nation’s most prolific natural gas reservoir.

Blueprint America correspondent Rick Karr travels to St. Louis to visit the people who're likely to suffer the most if transit officials cut service to save the city money.

The longest tunnel in the world supplies New York City with drinking water - and it's leaking. Blueprint America correspondent Rick Karr takes a look at the catastrophe that's unfolding several hundred feet underground.

Blueprint America correspondent Rick Karr in extended interviews with the Deputy Commissioner of NYC Department of Environmental Protection in the Bureau of Water Supply and a staff attorney with the environmental advocacy group Riverkeeper regarding the leak in the Delaware aqueduct.