News in cooperation with eceee.org
Green spaces keep hearts healthy and save lives
(Climate News Network, 16 Nov 2020) Planting trees and creating urban parks brings more green spaces and cleaner air, cutting heart deaths and saving lives.
A vast study of the incidence of heart disease, the amount of green spaces and air quality in each county of the United States has shown that the presence of trees, shrubs and grass saves lives.
It has long been known that particulate matter from industry and car exhausts is bad for lungs and hearts. While it is also accepted that the greenery absorbs pollution, it has been hard until now to relate the extent of the two effects.
Using the data collected by NASA from satellites to calculate the greenness of vast areas of the US, the researchers compared it with the national death rates from the Atlas of Heart Disease.
They overlaid this with data from the Environment Protection Agency’s air quality measurements of particulate matter for each county and the Census Bureau’s information on age, race, education and income by county.
Using an internationally recognised system to measure the amount of green vegetation in any location, from a barren area of rock at one extreme (0.00 on the scale) to dense tropical rain forest (0.80) at the other, they found a measurable link between greenness and survival rates.
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