Citizens Voice: The majestic forests that Pennsylvanians are familiar with today wont be the forests that future generations know because of global climate change, says John Quigley, secretary of the Department of Environmental Protection. While outlining his agencys agenda on a number of fronts last week, Quigley mentioned that several species of trees will disappear from the forests in the next 50 years as the earths temperatures warm: Sugar maple trees, the source for Pennsylvanias maple syrup crop, will...