Thanks funny site <a href=" http://vfg.se/generic-propecia-online-pharmacy.pdf#beginner ">cheap propecia tablets</a> New research published this week in the Proceedings of the National Academy of Sciences online suggests that curtailing the amount of short-lived emissions such as soot and methane won’t limit climate change as much as previously thought. The study’s lead author, climate expert Steve Smith of the U.S. Department of Energy’s Northwest National Laboratory (PNNL), said that while cutting back on soot and methane will help slow down global warming, it’s overall effect will be modest.