City Solutions

By Paul Owens, Director of the World Cities Culture Forum Last week states, cities, major NGOs and business leaders gathered in Bonn for COP23 to collaborate on the frameworks and policy solutions that will support countries’ efforts to achieve Paris Climate Agreement targets. The summit cemented world cities’ already ascendant role as leaders of global...

Harini Nagendra has spent more than a decade studying the growth and functioning of cities in South Asia, supported in part by grants from the National Geographic Society in 2006 and 2011. In her new book, Nature in the City: Bengaluru in the Past, Present, and Future she focuses in on the booming modern city of...

By Alexandros Washburn and Philip Yang São Paulo is the New York of the 1970s. The Cracolândia, the Campos Elíseos, Vila Leopoldina, and other central neighborhoods live the same problems with crime, drugs, homelessness, prostitution that Times Square, Bowery and Hell’s Kitchen experienced 40 years ago. The conflicts and dismay that mark São Paulo’s urban...

Despite President Donald Trump’s decision to withdraw from the Paris Agreement, nonfederal entities are saying they will continue to fight climate change. Twelve states and Puerto Rico have formed the U.S. Climate Alliance, committing to uphold the global climate accord, and leaders of 211 cities have declared themselves “Climate Mayors,” promising to work toward the...

By Philip Yang, founder of Urbem Every branch of knowledge is providing evidence that socially mixed urban areas are key to the future of cities’ cohesiveness and prosperity. Social and environmental sciences are showing both the opportunities of a deeper integration among different socioeconomic groups and the risks of dystopia generated by growing dissent and intolerance....

Mexico City, Mexico (1 December 2016) – Eleven cities were honored yesterday at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world’s most inspiring and innovative cities tackling climate change. Sponsored by Bloomberg Philanthropies and BYD, the C40 Cities Awards ceremony was held during the C40 Mayors Summit, where more than 40 mayors from around the...

It’s a bit of a no-brainer that the trees gracing our sidewalks, parks and other urban spaces are pleasing to the eye, providing soothing shade in the harsh, barren concrete landscape. In city parks, trees provide a place for citizens to relax and birds and squirrels to reside. What’s not to like about them? But not many of us...

Mayors of the world’s major cities have called for national governments and international financial institutions to help finance low-carbon and sustainable projects. These reforms are crucial for implementing the New Urban Agenda and meeting the goals of the Paris Agreement on Climate Change. The C40 Cities Call for Action on Municipal Infrastructure Finance, details six...

By: Anne Hidalgo, Mayor of Paris; Eduardo Paes, Mayor of Rio de Janeiro; and Miguel Ángel Mancera, Mayor of Mexico City  The decision this week by European leaders to fast-track ratification of the Paris Agreement on Climate Change is historic. It is now certain that less than one year will have passed from the beginning...

Today, C40 announced the 35 finalists competing in ten urban climate action categories for the fourth-annual C40 Cities Awards, sponsored by Bloomberg Philanthropies and BYD. The winners will be announced on December 1, 2016, at a ceremony in Mexico City, held alongside the sixth biennial C40 Mayors Summit. The C40 Cities Awards globally recognizes cities for their...

C40 Cities Climate Leadership Group announced today in Rio de Janeiro that Paris Mayor Anne Hidalgo has been elected to succeed Rio Mayor Eduardo Paes as C40 Chair. The C40 Steering Committee elected her unanimously to the position, where she will provide strategic direction and governance to the organization. “C40 member cities are determining the...

Climate change is one of the biggest, if not the biggest, risk to London.  I want to put our city at the leading edge of the fight against this risk. But London can’t take on this challenge alone. That’s why I have joined forces with leaders of world cities to find ways that we can...

Yesterday, C40 and the Singapore National Climate Change Secretariat (NCCS) held an event at the World Cities Summit (WCS) 2016, a global platform for government leaders and industry experts to address liveable and sustainable city challenges and forge new partnerships. “From Ambition to Action: The Vital Role of Cities in Achieving the Paris Agreement” drew together...