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
Under the leadership of Mayor Michael R. Bloomberg (currently serving as chair of C40), New York City is firmly on the path toward a sustainable future. Its course was set by PlaNYC, a landmark effort launched in 2007 to drive environmental leadership and infrastructure investment in ways that support economic growth.
Climate change is the most pressing environmental, social and economic problem facing the planet, a problem that is intensifying while global climate treaties and national legislation have hit roadblocks. Driven by the burning of fossil fuels, CO2 in the earth’s atmosphere is rapidly reaching critical levels. This combined with rising temperatures, erratic weather patterns and the depletion of water resources, makes taking action even that much more critical.