SustainabilityThe Evolving Truth about Fracking for Natural Gas [Updated]Scientists speak out about risks, studies and testingBy Mark Fischetti on April 20, 2012Advertisement [View the story "The (Evolving) Truth About Fracking for Natural Gas" on Storify] ABOUT THE AUTHOR(S)Mark FischettiMark Fischetti is a senior editor at Scientific American, overseeing coverage of energy and the environment.Recent ArticlesBold Plan? Replace the Border Wall with an Energy–Water CorridorWarning Scale Unveiled for Dangerous Rivers in the SkyRelentless Rise of Space Junk Threatens Satellites and Earth