And that ultimately may spread to other cities.

21 European towns emerge as final contenders in Bloomberg Philanthropies’ Mayors Challenge Bloomberg Philanthropies today revealed the 21 European towns which have emerged as last contenders in its 2013-2014 Mayors Problem, a competition to inspire metropolitan areas to create innovative ideas that solve major challenges and improve city lifestyle, and that ultimately may spread to other cities. The finalists' proposed solutions address some of European countries's most significant issue areas: youth unemployment, aging populations, civic engagement, economic development, environment and energy concerns, public health and safety, and making government better. Bloomberg, philanthropist and 108th Mayor of NEW YORK .