Scientists have issued a new warning to the world's coastal megacities that the threat from subsiding land is a more immediate problem than rising sea levels caused by global warming.
In many of Southeast Asia’s cities, critical infrastructure development is concentrated in affluent areas; and poor communities, lacking access to basic services, often resort to alternatives that may be unsafe or more expensive.
Tackling hunger is not only a question of producing more food in rural areas, but requires looking at why poor urban populations struggle to eat enough - a problem aggravated by climate change, a report from the International Institute for Environment and Development (IIED) said on Thursday.
Changing weather patterns in Tanzania have caused a rising wave of migration from rural to urban areas, with thousands of youths flocking into Dar es Salaam, the largest city, in search of work.