The brutal murder of Emmanuel Sithole in the Johannesburg township of Alexandra is a frightening sign of the potential for ethnic divisions to destroy social cohesion and economic growth. It undermines the moral leadership that South Africa has been able to exercise since the end of apartheid. It is part of a pattern of Afrophobia…

In 2009-13 on average 856 persons were displaced from their homes each year in the occupied West Bank of Palestine, and 499 Palestinian-owned structures were demolished in each year by the Israeli authorities. Now research funded by the UK’s Department for International Development has put a price on the economic damage this does. A report…

America’s obesity crisis is creating a new concern to make healthy cities, though the rhetoric outstrips the plans. A recent blog on a health website says that more than half of U.S. adults don’t meet the recommended daily requirements for aerobic exercise or physical activity. It makes the case for better planning and design to…

Faced with increased urban flooding, China is seeking to create “sponge cities” that can absorb water. China’s rapid urbanisation has been accompanied by increased rates of urban flooding. The number of Chinese cities affected by floods has more than doubled since 2008. While water management was integrated into traditional Chinese urban development, the last 40 years have…