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Articles on Sustainable cities

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Traffic flows past trees that have been felled to make way for a highway in Nairobi, Kenya on November 12, 2020. Photo by LUIS TATO/AFP via Getty Images

The loss of vegetation is creating a dangerous heat island over Nairobi

Parts of Nairobi are already dealing with temperature increases and reduction in humidity. These conditions are associated with increases in mortality, especially in children and the elderly.
Compost awaiting distribution at the Las Virgenes Municipal Water District’s Rancho Las Virgenes compost facility, Calabasas, Calif. Brian Vander Brug/Los Angeles Times via Getty Images

City compost programs turn garbage into ‘black gold’ that boosts food security and social justice

Turning food scraps and yard trimmings into compost improves soil, making it easier for people to grow their own food. City composting programs spread those benefits more widely.
Artist rendition of the National Western Center, a net-zero campus under construction in Denver to house multiple activities. City and County of Denver | Mayor’s Office of the National Western Center

Buildings consume lots of energy – here’s how to design whole communities that give back as much as they take

Net zero energy buildings produce at least as much energy as they use. Designing whole net zero campuses and communities takes the energy and climate benefits to a higher level.

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