March 18, 2017 at 10:15am |
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Consider the example of Toronto, Canada. The city values its 10m trees at C$7bn (£4.3bn). A 2015 study there showed the higher a neighbourhood’s tree density, the lower the incidence of heart and metabolic disease, and estimated that the health boost to those living on blocks with 11 more trees than average was equivalent to a C$20,000 gain in median income.
— Warning: living in a city could seriously damage your health | Florence Williams