One way to create cooler, cleaner megacities: Plant rooftop gardens!
Ideas.Ted
AUGUST 5, 2021
According to the World Health Organization, outdoor air pollution kills 4.2 Some areas in informal settlements have zero square meters per inhabitant of green space,” says Abdallah Tawfic, co-founder of Cairo-based organization Urban Greens. . million people every year , mostly in low- and middle-income countries.
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