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C40 Cities Climate Leadership Group

Our Work Has Started, But We Are Late

Eduardo Paes | Posted 12.02.2016 | World
Eduardo Paes

Our work has started, but we are late. Time is running out. It's been a year since the boldest climate agreement was signed and I want to congratulat...

Melbourne & Sydney Win C40 Award For Best Building Energy Efficiency Project Of 2016

Mark Watts | Posted 12.01.2016 | Green
Mark Watts

Melbourne & Sydney were honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative...

Curitiba Wins C40 Award For Best Sustainable Communities Project Of 2016

Mark Watts | Posted 12.01.2016 | Green
Mark Watts

Curitiba was honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative cities tac...

Kolkata Wins C40 Award For Best Solid Waste Project Of 2016

Mark Watts | Posted 12.01.2016 | Green
Mark Watts

Kolkata was honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative cities tack...

Copenhagen Wins C40 Award For Best Adaptation In Action Project Of 2016

Mark Watts | Posted 12.01.2016 | Green
Mark Watts

Copenhagen was honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative cities t...

Addis Ababa Wins C40 Award For Best Transportation Project Of 2016

Mark Watts | Posted 12.01.2016 | Green
Mark Watts

Addis Ababa was honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative cities ...

Paris Wins C40 Award For Best Adaptation Plans & Assessments Project Of 2016

Mark Watts | Posted 12.01.2016 | Green
Mark Watts

Paris honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative cities tackling c...

Portland Wins C40 Award For Best Climate Action Plans & Inventories Project Of 2016

Mark Watts | Posted 12.01.2016 | Green
Mark Watts

Portland was honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative cities tac...

Seoul Wins C40 Award For Best Social Equity & Climate Change Project Of 2016

Mark Watts | Posted 12.02.2016 | Green
Mark Watts

Seoul was honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative cities tackli...

Shenzhen Wins C40 Award For Best Finance & Economic Development Project Of 2016

Mark Watts | Posted 12.01.2016 | Green
Mark Watts

Shenzhen was honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative cities tac...

Yokohama Wins C40 Award For Best Clean Energy Project Of 2016

Mark Watts | Posted 12.01.2016 | Green
Mark Watts

Yokohama was honoured today at an awards ceremony in Mexico City. The C40 Cities Awards recognize the world's most inspiring and innovative cities tac...

Climate Change Is Not Just Another Bad Reality Show

Anne Hidalgo | Posted 11.18.2016 | World
Anne Hidalgo

Now, the time has come to deliver on the promise of the Paris Agreement.

Let's Implement the Paris Agreement Before the Flood!

Michael R. Bloomberg | Posted 11.04.2016 | World
Michael R. Bloomberg

The next years are crucial as global greenhouse-gas emissions must peak by 2020 and then fall rapidly. There is no time to waste and the risk of failure could not be more serious. As mayors we stand ready for the immense challenges that climate change will bring.

Nations Can Now Deliver the Paris Agreement by Supporting Cities

Anne Hidalgo | Posted 10.06.2016 | World
Anne Hidalgo

The decision this week by European leaders to fast-track ratification of the Paris Agreement on Climate Change is historic.

Parisians and Seoulites Walk Together On September 25 "Car-free Day"

Anne Hidalgo | Posted 09.27.2016 | World
Anne Hidalgo

What would the city streets look like without cars? On September 25th, two great cities on opposite sides of the globe - Seoul and Paris - will find o...

Mayors Will Play Their Part in Delivering on the Paris Agreement

Mark Watts | Posted 09.22.2016 | Green
Mark Watts

During Climate Week NYC and the UN General Assembly in New York this week, the international community marks the ratification of the Paris Agreement b...

30 Megacity Mayors Call Upon G20 for a Climate Safe World

Anne Hidalgo | Posted 09.06.2016 | World
Anne Hidalgo

As the G20 Summit meets in Hangzhou this week, we, mayors of the major cities within the G20, call on our national leaders to work with us to build a ...

After The Closing Ceremony: Rio's Sustainable Olympic Legacy

Anne Hidalgo | Posted 08.31.2016 | World
Anne Hidalgo

As the historic 2016 Olympic Games draw to a close in Rio de Janeiro, we commend C40 Chair, Mayor of Rio de Janeiro Eduardo Paes not only for a successful world-class event, but also for investing in and developing legacy Olympic projects that will benefit the city and its inhabitants in the long-term.

Cities vs. Climate Change

Linda P. Fried | Posted 08.24.2016 | Impact
Linda P. Fried

At this, the height of a very warm summer and in the midst of a year that's predicted to become the hottest on record, it's clear that cities are majo...

Mayors of Rio and Paris: The Olympic Feat of Urban Sustainability

Eduardo Paes | Posted 08.09.2016 | Green
Eduardo Paes

As megacity mayors, we have long considered cities laboratories for great ideas, but it wasn't until the COP21 climate negotiations in Paris last year that we recognized the scope of our capacity as local leaders to influence the course of the planet.

We don't necessarily know best: Why cooperation, sharing and co-creating are key to solving climate crisis

Morten Kabell | Posted 07.13.2016 | World
Morten Kabell

Cooperation. Including our citizens. Getting the companies on board. These are all ways that we - that I - have talked about partnerships and cooperat...

Support for Cities on the Front Lines of Climate Change

Eduardo Paes | Posted 06.24.2016 | World
Eduardo Paes

When I became Chair of the C40 Cities Climate Leadership Group (C40) three years ago, I could have only imagined the work that would be taking place t...

US And Chinese Mayors Are Leading The World In The Fight Against Climate Change And Boston Is Out In Front

Martin J. Walsh | Posted 06.08.2016 | Green
Martin J. Walsh

This week in Beijing I join mayors from cities across China and the U.S. for the second Climate-Smart Low-Carbon Cities Summit for the exchange of ideas and actions at the city level. We know that cities will play a crucial role in delivering the ambition of the Paris Agreement, making a global impact through local action on the ground.

A New Coalition for Urban Transitions to Help Cities Thrive

Michael R. Bloomberg | Posted 05.05.2016 | Impact
Michael R. Bloomberg

More than 490 cities have committed to reducing emissions and publicly reporting their progress. These include our home cities of New York, Rio de Janeiro and Paris, along with London, Tokyo, Mexico City, Jakarta, and myriad others.

From Paris to the Streets: Cities Lead in Implementing Global Climate Action

Eduardo Paes | Posted 04.22.2016 | World
Eduardo Paes

Last year, city leaders stood at Hotel de Ville in Paris to fight for the same goal: to keep global temperature rise below 2°C.