The Forest Is Good for your Health (article on BBC)

"A study conducted in 24 forests across Japan found that walking among trees lowered blood pressure, the pulse rate, and levels of the hormone cortisol, which is released in response to stress."

This is something I learned long ago. I didn't need a study to tell me this but, if this is what it takes to green up our cities/ towns and to better preserve our open space then I'm all for it.  Read about it here: http://www.bbc.com/news/science-environment-33368691