The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. January 4, 2013 Study Raises Concerns About Methane Release from Natural Gas Fracking Sites ---------------------------------------------------------------------------- New scientific research has shed further doubt on claims about the environmental benefits of the natural gas drilling process known as fracking. Researchers with the National Oceanic and Atmospheric Administration and the University of Colorado say methane may be escaping from gas sites at much higher rates than previously thought. Data suggests as much as 9 percent of total methane produced may be leaking. Methane is many times more powerful than carbon at contributing to global warming. .