Dr Joan Clos

UN Under-Secretary-General and Executive Director of UN-Habitat

Cities, how they form, and the effects of urbanisation on the quality of human life must now be treated as a science. The unprecedented confluence of climate change, population boom, and the rush to live in cities means that our critical human development will take place in cities. How will we manage this vast change? What secrets do we need to unlock? Does life in a city mean doom or boon for our children and the generations that follow?