Research Library

Protecting Our Capital
C40, together with its official reporting partner, CDP, and AECOM have released Protecting Our Capital, a report that highlights the risks climate change poses to cities and businesses – and shows ...
Climate Action in Megacities 2.0 Executive Summary
C40 Cities: The Power to Act
C40's mayors have the power to act on climate change their actions to create solutions across key sectors are reducing emissions and increasing urban resilience. Read the report or explore the inf...
Climate Action in Megacities: C40 Cities Baseline and Opportunities v. 2.0
A quantitative study of efforts to reduce GHG emissions and improve urban resilience to climate change in C40 Cities The 2014 report analyses mayoral powers and identifies major trends across sect...
The Rio Numbers
Greenhouse Gas Emissions Reduction Potential C40 Cities can reduce their collective annual emissions by 45 percent by 2030 – 1.3 billion tons carbon dioxide equivalent (CO2e) below business-as-usu...
C40/CDP 2013 Summary Report
C40/CDP 2013 Wealthier, Healthier Cities Report
Low carbon technologies can transform Latin America’s bus fleets
As tecnologias de baixo carbono podem transformar as frotas de ônibus da América latina
CDP/C40 2012 Global Report