The World Bank has recently published a report entitled "Turn Down the Heat: Climate Extremes, Regional Impacts, and the Case for Resilience."

Rising sea levels, heat extremes, aridity, impacts on ecosystems... Unsurprisingly, the news is not so good on the climate front, and the experts are raising the alarm. In the first Turn Down the Heat report published last year, the World Bank concluded that the planet would gain 4°C by the end of the century if no action is taken. But in the next 20 to 30 years, the latest report notes that the world already could heat up by 2°C. 

Bangkok 2011 floods - photo: Cpl. Robert J. Maurer

The effects on agriculture, rural habitats and small towns are vast and diverse. But as we've seen in recent years from Bangkok to New York and New Orleans, big cities are under threat as well. Here's a rapid ride across seven urban risks of global warming...