You can't invest in natural gas on a daily basis. It's too volatile. But if you think of natural gas as a long-term holding, then you push your profit horizon out. A long-term time horizon would be at least two years. - T. Boone Pickens
Compared to coal, which generates almost half the electricity in the United States, natural gas is indeed a cleaner, less polluting fuel. But compared to, say, solar, it's filthy. And of course there is nothing renewable about natural gas. - Jeff Goodell
It's not unexpected that shooting massive amounts of water, sand, and chemicals at high pressure into the earth to shatter shale and release natural gas might shake things up. But earthquakes aren't the worst problem with fracking. - David Suzuki