The Rockland Coalition Against Fracking will present a free screening of the 2010 Sundance Film Festival award-winning documentary "Gasland" at the Nyack Public Library at 2 p.m. on Sunday.

After filmmaker Josh Fox was offered $100,000 for the natural gas drilling rights to his property in the Delaware River Basin, he declined and instead set off on a cross-country journey to investigate the environmental risks of the practice. His anti-fracking documentary "Gasland" is the result. Running time is 104 minutes.

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Gasland's screening will be followed by a discussion that will include State Sen. David Carlucci, Riverkeeper executive director Paul Gallay, Erin Heaton of Catskill Citizens for Safe Energy and the Sierra Club, and Catherine Borgia, Westchester County legislator.

Admission is free and the event is open to the public, but space is limited. The film will be shown in the Community Meeting Room. For more on the library:

The Nyack Public Library located at 59 S. Broadway.