Science Stream
In September 2015, members of the UN Sustainable Development Summit adopted the 2030 Agenda for Sustainable Development with 17 Sustainable Development Goals (SDGs). Goal 11 is Sustainable Cities and Communities and is about making cities and human settlements sustainable. Outline one or two of the key challenges to the success of sustainable cities and the most effective solutions. You may wish to relate the challenges and solutions to your specific subject area and/or to a specific city/cities or area of the world. The UN Sustainable Development Summit strive on making the global cities a better place to live in. A sustainable city is one that is planned to have a resilient environment for its current population while also taking into account the quality of life for future generations. The rapid urbanization and the unplanned growth are the two key challenges to the success of sustainable cities. The term "urbanization" describes the large-scale population shift