O, Christmas Tree: Thinking Globally, Acting Locally
Thursday, December 4, 2008 - 11:21
in Mathematics & Economics
Christmas trees come in many shapes and sizes, offering consumers an array of choices to make the season bright. Whether your favorite is blue spruce, Douglas fir, Scotch pine or made of PVC (polyvinyl chloride), Clint Springer, Ph.D., a botanist and global warming expert at Saint Joseph's University in Philadelphia, cautions that of the many factors to consider when choosing a holiday tree, impact on the environment should be at the top of anyone's list.