Study in Philadelphia links growth in tree canopy to decrease in human mortality — ScienceDaily https://www.sciencedaily.com/releases/2020/06/200616135820.htm
People are planting tiny urban forests to boost biodiversity and fight climate change | World Economic Forum https://www.weforum.org/agenda/2020/07/tiny-urban-forests-miyawaki-biodiversity-carbon-capture/
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