| http://www.w3.org/ns/prov#value | - Lara says she believes that trees do improve air quality, providing physical protection from unhealthy pollutants like diesel fuel exhaust. ???That being said, tree health is not likely to be the whole story, and other factors are just as, or ever more, important to illness in poorer communities,??? Lara says. ???In particular, I would argue the lack of money to buy healthy foods, as well as the l
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