The number of trees and the area shaded by them influences many neighborhood factors, such as attractiveness and lower summer temperatures that, in turn, encourage residents and visitors to walk and do other physical activity. “Tree canopy cover” measures the percent of a neighborhood that is covered (or shaded) by trees.
About the Measure

How Calculated:
Tree canopy cover represents a ‘top down’ mapping perspective in which tree canopy over-hanging city features (such as sidewalks) is measured. The percent is calculated by dividing the area of tree canopy in km2 within the UHF neighborhood by the total land area (excluding inland water bodies). Higher percentages indicate greater tree canopy cover, with zero representing no tree canopy cover.
Source: The Built Environment & Health Project (BEH), Columbia University
Harlem

As found on the Fred R. Moore public school on 5th Avenue.