New York City gets roughly half its water from the Delaware River Basin, a key area for hydraulic fracturing.

CNN: Debate over fracking, quakes gets louder

Their journeys eventually led them to the Sheenjek River basin the area that would one day form the heart of the ANWR.

NPR: Mardy Murie, Alaska's Passionate Protector

It covers an area roughly half the size of France within the Upper Paraguay River Basin, extending over the border into Paraguay and Bolivia.

BBC: Brazil��s land of the jaguar

Those tours were on a 1.5-mile section in a 2, 000-acre park called the Sepulveda Basin Recreation Area, and the permits sold out in a matter of hours, denying large numbers of river lovers a legal chance to ply the waters.

CNN: SHARE THIS