Climate Change Impacts on PA Agriculture. Dr. Lew Ziska, a Plant Physiologist with the U.S. Department of Agriculture, spoke about the potential impact of climate change on Pennsylvania agriculture, including the types of crops grown, the potential changes in yields for the dairy industry and the not insignificant increase in weeds that will challenge farmers. These and other presentations were made at a special climate change program sponsored by the Pennsylvania Environmental Council. Other speakers included: DCNR Secretary DiBerardinis on draft Carbon Management Plan Brian Hill, PEC President & CEO, talks about the Climate Roadmap for PA Robert McKinstry, Ballard Spahr, on a court decision that resulted in the regulation of greenhouse gas emssions Tom Peterson, Center for Climate Strategies, on how states drive national climate change policy |