Climate change has heavily impact on all aspects of city. As the main source of GHG, city must make response to climate change, including mitigation and adaptation. In 2011, UN-Habitat release the report "Cities and Climate Change—Global Report on Human Settlements 2011", which discusses the relationship of city and the climate change, and proposes the response policies and measures response.
The Chinese version of the Report is organized and translated by UPSC.