In today's NY Times, columnist Thomas Friedman again makes an argument for using a carbon tax as a means of providing a market signal for the environmental damage from fossil fuels. http://www.nytimes.com/2009/04/01/opinion/01friedman.html Jason M. Evans, PhD Postdoctoral Research Associate Department of Wildlife Ecology University of Florida 319 Newin-Ziegler (352) 846-0353 - office (352) 328-1199 - cell