Commentary and Analysis

As the new administration deemphasizes global engagement, sister cities such as Chicago and Mexico City show walls can't destroy the bridges cities have built.

As the country splinters along geographic and ideological lines, post-election divisions could portend the rise of a new American city-state movement.

Cities may face some challenges with neighbors in the suburbs while trying to establish policies supporting immigration.

As cities across the nation overhaul their aging water systems, Chicago officials say it is up to homeowners to decide whether it is worth replacing pipes at their own expense.

In an article published in the journal Globalizations, senior fellow Noah Toly explores the relationship between London and the UK's decision to leave the EU.

The benefits cities gain from the prestige associated with hosting the Olympics do not offset the human costs reported every year the Games are held.

Despite the challenges, Rio has accomplished more in the years preparing to host the Olympics than it could have without being awarded this international honor.

Given the rising global threats, turning inward is a politically expedient platform. But overcoming global challenges requires trust and cooperation.

Is a pernicious form of economic inequality the inevitable consequence of becoming a globally powerful city?

Networks like C40 or the Healthy Cities Network show cities have a great potential to mobilize forces across boundaries and shape international agendas.