From urban forests to high-tech utopias, here's how the cities of the future are shaping up

Today's cities are grappling with problems ranging from gridlocked traffic and overflowing landfills, to unaffordable housing and growing inequality. Without action, those problems will only get worse.

source https://www.cnn.com/style/article/cities-of-the-future-spc-intl/index.html