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Tree Canopy and Potential in Portland, Oregon
2018-02-27 17:13:59| PortlandOnline
PP&R's 2018 study of available planting space in the city found room for 1.3 million trees, which would provide nearly $200 million annually in services such as air quality improvement, urban heat mitigation, and stormwater and other benefits. PDF Document, 16,428kbCategory: Tree Canopy
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Category:Construction and Maintenance
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