Interview: Michael Bloomberg, outgoing Chair and current President C40 Cities

He may no longer be mayor of New York but having just been appointed UN Special Envoy for Cities and Climate Change and President of C40 Cities, Michael Bloomberg will continue to play a very active role for cities in the fight against climate change.

As Chair of C40, you have overseen an increase in membership and a higher profile for the organisation. What do you consider your biggest achievements for C40? What remains to be done and will you be involved in that?

Growing the organisation was important, and in 2012, the C40 welcomed five additional cities: Oslo, Singapore, Vancouver, Venice, and Washington DC. However, developing a world-class research operation and then implementing me...