The idea of a "resilient city"



Johannesburg hosted some of the world's most influential City Leaders last week at the C40 Mayor's summit where sustainability was a hot topic of debate. CNBC Africa's Natascha spoke to Jacobsz Richard Machos Vice President for Smarter Cities at IBM to discuss the idea of a "resilient city" one that utilizes the capabilities of its people and data in a smart way to be healthy, educated, green and responsible.