Planning and design for sustainable cities in the MENA region Recent research indicates that many densely populated areas of the world will be uninhabitable in the coming century due to the depletion of resources, climate change and increasing urbanization. Climate change impacts, including rising temperatures, rising sea levels, increasing frequency of heat waves and extreme weather are already evident. Along with the challenges of climate change, the percentage of populations residing in

more »

... areas is steadily increasing. In 2014, 54 percent of the world's population lived in urban areas, and this is expected to rise to 66 percent by 2050, with the most rapid urbanization in Asia and