Oil Company logos displayed on astroturf at the American Petroleum Institute’s headquarters in Washington, D.C., Tuesday, Aug. 18, 2009. The Greenpeace protest calls attention to the U.S. oil industryÕs secret plans to have oil workers attend anti U.S. climate action rallies masquerading as concerned Òenergy citizensÓ faking grassroots support in a practice known as “astroturfing.”