The proportion of the world's population living in urban areas is expected to exceed 60 per cent by 2030. Urbanization creates problems such as pollution, overcrowding, congestion and large amounts of waste, which need to be addressed. In the face of such growth there is an urgent need to consider how urbanization can be better managed to improve its sustainability. harming the environment or living conditions of other people. It is this idea of conserving resources for the benefit of future generations that is the principle behind sustainable development. This book shows how the reader can play an active part in ensuring a more sustainable future. well-known speakers on the subject. There are also weblinks with useful website addresses which link to sites with more information about a particular topic.