World Environment Day

Trees promote physical and mental health for urban residents. They support community ties and reduced crime rates
As trees grow, they help stop climate change by removing carbon dioxide from the air, storing carbon in the trees and soil, and releasing oxygen into the atmosphere.
Tree Purifying Air, Cooling Down the Streets, Natural Air Conditioning.
Clean Air. Researchers at the Davey Institute found that urban trees and forests are saving an average of one life every year per city because of the particulates that they remove from the air