Cities around the world are beginning to prepare for a more sustainable future in innovative ways. See how people captured the energy of four cities – Amsterdam, London, Los Angeles and Mumbai – on camera and shared it on Instagram and Twitter to win a $3,000 grant for a sustainable start-up.
More in future cities
Building cities for the future is about making the right choices today. Discover how we worked to understand city needs and develop scenarios.
Read about new ideas, technologies and ways of doing business that are taking shape in cities around the world.