CPD in partnership with the L.A. Mayor's Office for International Affairs hosted a summit on City Diplomacy this April addressing challenges facing U.S. cities on the global stage.

Explore city diplomacy from the perspective of CPD's hometown: Los Angeles.

"Subnational Diplomacy, Climate Governance & Californian Global Leadership," highlights the growing power of subnational entities on issues like climate change.  

A new report examines the emerging landscape of bottom-up global climate governance, stemming from such subnational levels as the State of California.

Sohaela Amiri discusses cities' expanding roles at the global negotiating table, from climate change, to winning hearts and minds and beyond. 

As geopolitics and economies shift toward the Pacific Rim, Los Angeles is ideally situated to play a key role in addressing common regional and global challenges.

A new book looks at how "Game of Thrones," social media and more can cultivate a locale's image.

The endeavoring role of cities like Toronto, Canada and São Paulo, Brazil in the international system.