C40 Cities Awards

The C40 Cities Awards are granted in 10 categories and provide global recognition for cities that are demonstrating climate action leadership.


The C40 Cities Awards

Mayors continue to deliver important, innovative policies and programmes that reduce greenhouse gas emissions and improve resiliency.

The C40 Cities Awards, launched in 2013, draw international recognition towards the critical role cities are playing as a leading force for climate action around the world, and showcase their success stories so that other cities will be inspired and empowered to act.

The fourth annual C40 Cities Awards Ceremony will coincide with the C40 Mayors Summit in Mexico City on December 1, 2016.

Please note the Application Deadline has now closed.

Learn more or contact us for futher information. 




Awards Categories

The C40 Cities Awards reward cities that have implemented outstanding projects, programmes, policies and practices to combat climate change and reduce climate risks in the fields of 10 categories.

Climate Action Plans & Inventories

Adaptation Plans & Assessments

Building Energy Efficiency

Clean Energy

Finance & Economic Development

Solid Waste

Adaptation in Action


Sustainable Communities

Social Equity & Climate Change 

Explore the categories or contact us for further information.


Application Window

Applications for C40 Cities Awards and Cities100 were due by 24 June 2016. Applications are now closed.

Who can apply?

City Self-Nomination: The Mayor’s office or the relevant department within the city’s administration can submit applications.

Third Party Nomination: Third party organisations are welcome to nominate projects.

Read the Application Guide

An in-depth manual has been created to assist with the application process. Before you submit your applications online, ensure that you fit the criteria. Submissions can be prepared offline using the editable PDF Application form.

Contact us for further information. 


Thank you for applying.

Applications were due by 24 June 2016. The application window is now closed for 2016 and will open again in 2017.

Contact us for further information. 


About Bloomberg Philanthropies


Bloomberg Philanthropies is a founding partner of the C40 Cities Climate Leadership Group, and Michael R. Bloomberg serves as President of the Board. With a mission to ensure better, longer lives for the greatest number of people, Bloomberg Philanthropies focuses on five key areas for creating lasting change: the Environment, Public Health, Education, Government Innovation, and the Arts. Bloomberg Philanthropies encompasses all of Michael R. Bloomberg’s charitable activities, including his foundation and his personal giving, and distributed $510 million in 2015. For more information, please visit Bloomberg.org or follow Bloomberg Philanthropies on FacebookInstagramSnapchat and Twitter.


Eligibility Criteria

There are four Eligibility Criteria which apply to the C40 Cities Awards and the Cities100: 

I. Categories 1 to 4 are open to: 

- All C40 cities;

- Non-C40 cities that have committed or intend to commit to the Compact of Mayors;

(1. Climate Action Plans & Inventories; 2. Adaptation Plans & Assessments; 3. Building Energy Efficiency; 4. Clean Energy)

II. Categories 5 to 10 are open to all cities;

(5. Finance & Economic Development; 6. Solid Waste; 7. Adaptation in Action; 8. Transportation; 9. Sustainable Communities; 10. Social Equity & Climate Change)

‚ÄčIII. Projects must have begun implementation in 2011 or later. 

IV. Projects need to have all or a substantial amount of project funds secured.

Before you submit your applications, ensure that you fit the criteria above and check the Application Guide for further information. 

Contact us for further information. 



Media coverage from the 2016 C40 Cities Awards will be available after the event.

Please explore past coverage of the 20152014 and 2013 Awards here, or view the C40 Media page to learn more about our organisation in the media.

For all media enquiries, please contact media@c40.org.


2015 Awards

The 2015 C40 Cities Awards took place during the pivotal COP21 meeting in Paris, and were successful in sharing highly replicable ‘best practices’ across cities, while drawing attention to outstanding performances that have achieved a high level of environmental success in a challenging context. The Winners were announced at the Awards Ceremony on 3rd December in Paris, France. Read more about the 2015 Finalists.

2014 Awards

The second edition of this worldwide awards program rewarded best practices not only from well recognized leaders but also hidden champions, less known innovators and their outstanding performance that has been achieved with small budgets or in difficult environments.

The 2014 Awards resulted in 87 applications from more than 40 cities. Submissions were well spread across the ten Awards categories and came from cities all over the world.

2013 Awards

The inaugural City Climate Leadership Awards Ceremony was held at the Crystal in London on September 4-5, 2013 and featured C40 Chair and New York City Mayor Michael R. Bloomberg, London Mayor Boris Johnson, and CEO of Siemens Infrastructure and Cities Sector Roland Busch.

The City Climate Leadership Awards Conference, also held on September 5, 2013, brought cities together to share best practices recognized through the Awards in a workshop environment.