Green spaces and tree-lined streets encourage walking, outdoor activities and generally healthier lifestyles.
Akers, A., Barton, J., Cossey, R., Gainsford, P., Griffin, M., Mikleright, D. (2012). Visual Color Perception in Green Exercise: Positive Effects on Mood and Perceived Exertion. Environmental Science and Technology. 46(16):8661-8666. http://www.ncbi.nlm.nih.gov/pubmed/22857379 12 September 2016.