Study shows trees reduce respiratory problems

Trees are saving more than 850 human lives a year and preventing 670,000 incidences of acute respiratory symptoms. http://www.sciencedaily.com/releases/2014/07/140725163557.htm

A previous 2008 study showed that children who live in tree-lined streets have lower rates of asthma, suggests new research.  http://www.sciencedaily.com/releases/2008/04/080430201651.htm