ScienceDaily: Environmental scientists at the University of Virginia have found that surface ozone, an abundant chemical known to be toxic to many species of vegetation and to humans, does not necessarily inhibit the productivity of natural ecosystems. "This is a rare piece of good news in the ozone and ecology story," said Manuel Lerdau, an ecologist who, along with graduate student Bin Wang, post-doctoral fellow Jacquelyn Shuman and Professor Hank Shugart, published their findings this week in the Nature journal...