Planners | Healthy Trees, Healthy Lives

To support mental health, increase the diversity and species richness of a greenspace

Southon, et al Landscape and Urban Planning, Vol. 172, April 2018, pp. 1-10

To increase the effectiveness of parks and greenspaces on human health, increase species biodiversity

Wood, et al Frontiers in Psycohology, Vol. 9, Nov 2018

To improve the quality of life of residents and self-reported mental health, increase the amount of accessible urban natural greenspaces

Maller, CJ, Henderson-Wilson, C, Townsend, M Ecohealth, 6, Mar. 2010, pp. 553-556

For quicker recovery from stress, ensure greenspaces have a minimum tree cover of 36%

Jiang, B et al Environment and Behavior, 48(4), Sept. 2014, pp. 607-629

To decrease anxiety/mood disorders, increase the amount of usable treed greenspace

Nutsford, Pearson and Kingham. Public Health, 127(11), Nov. 2013, pp. 1005-1011

To decrease heat-related mortality, aim for a minimum of 33% neighborhood tree canopy cover

Chen, D; et al Journal of Environmental Pollution, Vol. 192, 2014

To decrease heat-related mortality in the elderly population, plant trees to increase neighborhood tree cover

Burkart, Katrin; et al Environmental Health Perspectives, 124(7), July 2016

To lessen heat related mortality, increase treed greenspace by 0.4 square miles for every 1,000 people

To reduce stress and improve overall health, repurpose vacant lots to neighborhood treescapes

South et al American Journal of Public Health, 105(5), May 2015, pp. 909-913

To increase the overall health of a neighborhood community, particularly that of lower income, ensure there are a least 10 street trees per block

Kardan,O.; Gozdyra, P.; Misic,B. et al Scientific Reports, 5, 11610, July 2015