Treepedia
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https://senseable.mit.edu/treepedia
Exploring the Green Canopy in cities around the world
visuel à placer
(...) But of 30 big cities studied by the Massachusetts Institute of Technology, Paris has the lowest tree cover, with about 9 percent, compared with compared with 12.7 percent in London and 28.8 percent in Oslo. — Constant Méheut (NYT)