Depicting one hundred cities around the globe—from New York to San Francisco, London, Tokyo, Sydney, Rio de Janeiro, Mexico City, Beijing, Vienna, Singapore, Cape Town, Abu Dhabi, and Mumbai—Alan Marshall imagines how each may survive and prosper. A striking, full-color scenario painting illustrates each city. The chapters tell how each community has found either a social or technological innovation to solve today's crises. Fifteen American cities are covered. Around the world, urban planners like to tailor scenarios for the year 2020, to take advantage of the metaphor of 20-20 vision. In Ecotopia 2121, the vision may be fuzzy, but its sharp insights, captivating illustrations, and playful storytelling will keep readers coming back again and again.