Maybe it is because Arbor Day and Earth Day are upon us, but Cynthia Orlando has written a and interesting article for the Statesman Journal that addresses the need While generally understood, the health benefits of trees in our communities are under-appreciated by the average American. Urban trees filter and retain storm runoff, reduce the stress in our lives, contribute to an environment that promotes exercise and may even help many cities meet state or federal clean-air requirements. A decade of research across diverse disciplines that include social sciences, psychology, forestry and medicine is leading scientists to similar conclusions: Healthy trees are essential for healthy human populations. So affirms the attached article.
Alex Pearl

 http://www.statesmanjournal.com/article/20140412/OPINION/304120010/Urban-forests-share-links-healthy-lives?nclick_check=1