Researchers at the Massachusetts Institute of Technology’s Senseable City Lab, a research initiative studying the impact of technology on urban life, has created a data visualization called Treepedia illustrating how green major cities are on a block-by-block basis. The researchers developed an algorithm to analyze Google Street View imagery and determine the percentage of each image containing trees, and applied this algorithm to every street in cities around the world, such as Boston, Frankfurt, Johannesburg, and Tel Aviv. Treepedia plots the greenness score for each block and provides an overall greenness score for each city.
Visualizing the Greenness of Cities
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