By Tom Spears, Ottawa Citizen, August 24, 2015
A study of Toronto shows that adding 10 trees per city block makes residents
healthier — by the same amount as raising their incomes $10,000 per household.
It’s well known that rich people enjoy better health than those in poorer
neighbourhoods, the University of Chicago scientists who did the research knew.
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Planting trees in the city makes residents healthier, study shows | Ottawa
Citizen.