He serves as the President of the Board of C40 Cities .
During his tenure , Bloomberg worked with President Bill Clinton to merge C40 with the Clinton Climate Initiative , with the goal of amplifying their efforts in the global fight against climate change worldwide .
Bill Clinton serves as the President of the Board of C40   .
During his tenure , Bloomberg worked with President Bill Clinton to merge C40 with the Clinton Climate Initiative , with the goal of amplifying their efforts in the global fight against climate change worldwide .