Bloomberg Philanthropies launches its first Global Mayors Challenge: Cities with populations of 100,000 or more can submit urban innovation initiatives, it's only open to local governments and only one proposal per city will be accepted.

What can cities win? 15 winners will receive USD1 million each to implement their winning idea, 50 finalists will receive technical support to improve their ideas. The first 500 submissions will receive help to prepare the proposal. Completed application must be submitted by 21 March 2021.