• Half of humanity – 3.5 billion people – lives in cities today and 5 billion people are projected to live in cities by 2030.
• 95 per cent of urban expansion in the next decades will take place in developing world
• 828 million people live in slums today and most them are found in Eastern and South-Eastern Asia.
• The world’s cities occupy just 3 per cent of the Earth’s land, but account for 60-80 per cent of energy consumption and 75 per cent of carbon emissions.
• Rapid urbanization is exerting pressure on fresh water supplies, sewage, the living environment, and public health. 
• Cities account for between 60 and 80 per cent of energy consumption and generate as much as 70per cent of human-induced greenhouse gas emissions
• 90 per cent of urban growth is forecasted to happen in Asia and Africa in the next 30 years.
• By 2050 70 per cent of the world population is predicted to live in urban settlements.

11.1 By 2030, ensure access for all to adequate, safe and affordable housing and basic services and upgrade slums

11.2 By 2030, provide access to safe, affordable, accessible and sustainable transport systems for all, improving road safety, notably by expanding public transport, with special attention to the needs of those in vulnerable situations, women, children, persons with disabilities and older persons

11.3 By 2030, enhance inclusive and sustainable urbanization and capacity for participatory, integrated and sustainable human settlement planning and management in all countries

11.4 Strengthen efforts to protect and safeguard the world’s cultural and natural heritage

11.5 By 2030, significantly reduce the number of deaths and the number of people affected and substantially decrease the direct economic losses relative to global gross domestic product caused by disasters, including water-related disasters, with a focus on protecting the poor and people in vulnerable situations

11.6 By 2030, reduce the adverse per capita environmental impact of cities, including by paying special attention to air quality and municipal and other waste management

11.7 By 2030, provide universal access to safe, inclusive and accessible, green and public spaces, in particular for women and children, older persons and persons with disabilities

11.A Support positive economic, social and environmental links between urban, peri-urban and rural areas by strengthening national and regional development planning

11.B By 2020, substantially increase the number of cities and human settlements adopting and implementing integrated policies and plans towards inclusion, resource efficiency, mitigation and adaptation to climate change, resilience to disasters, and develop and implement, in line with the Sendai Framework for Disaster Risk Reduction 2015-2030, holistic disaster risk management at all levels

11.C Support least developed countries, including through financial and technical assistance, in building sustainable and resilient buildings utilizing local materials

• UN-HABITAT

  UN Environment Programme : Cities – investing in energy and resource efficiency

  UN Environment Programme Climate Neutral Network

  UN Environment Programme: Cities and Climate Change

  UN Population Fund: Urbanization

  ICLEI – Local Governments for Sustainability