The C40 Blog serves as the paper of record for C40 and provides a
platform for sharing important, diverse perspectives on current
issues from C40 Mayors, field staff, partners and international
The C40 will host the fourth Annual C40 Mayors Summit in Sao Paulo, Brazil, taking place from May 31st to June 2nd, 2011. The summit provides a forum for mayors from around the world to discuss best practices to address climate change and reduce greenhouse gas emissions. C40 Live will be our way of communicating information about summit happenings and share news, developments and insights from the summit. We also hope it can serve as a resource for all things C40.