On Pharyngula, PZ Myers doesn't just want cut your grass—he wants to tear it out by the roots and leave it to rot in the sun. He quotes J. Crumpler on The Roaming Ecologist, who calls lawns "sterile, chemically-filled, artificial environments [...] that provide no benefits over the long term; no food, no clean water, no wildlife habitat, and no foundation for preserving our once rich natural heritage." To make matters worse, lawnmower use adds carbon dioxide to the atmosphere, while beautiful bermuda grass requires a lot of H2O in a world that is increasingly insecure about water. During the…