Covid Effect

From that cycle of life, from the bacteria to us, development led to independence and a tipping point where it is more energy efficient to share and collaborate with other species. Humanity crossed that line of maturation as soon as tribes built their first cities collectively and as soon as the trade of goods started.

Jaime Pumarejo, former mayor of Barranquilla, Colombia, and executive director of Breathe Cities, explains how cities can engage communities, activist groups and financial institutions to improve urban air quality.