The Ecotopia 2121 project explores the prosperous super-green futures of 100 cities worldwide. This month, we display a vision of future Lanzhou, China. LANZHOU 2121 by Dr. Alan Marshall Lanzhou nowadays is a city of four million set among a hundred mountains near the Yellow River. Lanzhou is in the midst of expansion; transforming into a megacity on the scale of Beijing or Shanghai. The plan is expressed in a clumsy government logo: "Rebuild Lanzhou: Strong Industrial City,

The Ecotopia 2121 Project details the futures of 100 cities across the globe as though they've somehow become super-ecofriendly. This month, we highlight the future of Mumbai, India. Mumbai is the largest city in India, possibly the largest in the entire world. Mumbai’s densely-packed, overflowing, chaotic form means the city authorities cannot really keep tabs on how many people there are within it but some say twenty-five million is a good guess—with extra hundreds arriving