It's a common refrain - driverless cars are the next big thing. Well in Moscow, they have already arrived. Yandex, Russia's answer to Google, has been trialling the technology and hopes to have up to 1,000 vehicles in operation within the next few years.
Extreme weather events such as heatwaves and flash floods are becoming ever more intense — hundreds of people have died in recent floods in South Asia. The coastal city of Zhuhai in China's south, which was battling floods just in May, is one of 30 model 'sponge cities' in China looking for solutions. DW talks to Nian She, director of Zhuhai's Tsinghua Innovation Center.