The Environmental and Health Benefits of Trees in Cities– a Literature Review


Health and climate related ecosystem services provided by street trees in the urban environment (17 page pdf, Environmental Health, Mar. 8, 2016)

Today we review an extensive literature review (with 156 references) of research concerned with the role of trees in an urban ecosystem services (ESS) framework and how that affects the environment, health and climate change mitigation for cities. Past studies have focused not only on the health benefits of trees, but also the conditions where trees can lead to lower air quality. The paper describes the physical role of trees in allowing for more moisture to be released from the soil to the atmosphere as well as the effectiveness of some trees (with large leaves) to capture air pollutants while at the same time reducing the ventilation and dilution of pollution along tree-lined streets. Pollen from trees causes asthma and allergies in as much as half the population of some cities. The authors suggest that a systems dynamics approach might help to consider the many dynamic processes involved in order to improve urban planning into the use of trees.

Lost Ecosystem Services and Vanishing Ecologic...

Lost Ecosystem Services and Vanishing Ecological Roles. Forest ecosystems in the tropics and subtropics are being quickly replaced by industrial crops and plantations. This provides large amounts of goods for national and international markets, but results in the loss of crucial ecosystem services mediated by ecological processes. In Argentina and Bolivia, the Chaco thorn forest (A) is being felled at a rate considered among the highest in the world (B), to give way to soybean cultivation (C). (Photo credit: Wikipedia)

To see Key Quotes and Links to key reports about this post, click HERE

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