UCCRN Third Assessment Report on Climate Change
and Cities (ARC3.3)

ARC3.3 provides the latest synthesis on climate change and cities, while offering new scientific research and urban policy recommendations. ARC3.3 is an international assessment authored by over 300 experts from cities in low, middle, and high-income countries around the world.

ARC3.3 provides benchmarked knowledge and urban climate projections for urban climate change researchers, city practitioners, and policymakers at all governing levels to motivate rapid action.