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Scientists Tested 8 Famous Cities. Only 1 Met The Standard For Tree Cover.
Can you see three trees from your home, school or workplace? Is there tree canopy cover shading at least 30% of the surrounding neighbourhood? Can you find a park within 300 metres of the building? These three simple questions form the basis of the "3+30+300 rule" for greener, healthier, more heat tolerant cities.
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