Skip to content
C40 Cities
  • Who We Are
    • About C40
    • Leadership
      • The C40 Co-Chairs
      • Steering Committee
      • Board of Directors
    • Funders & Partners
    • Our Team
  • What We Do
    • Raising Climate Ambition
      • 1.5°C Climate Action Plans
      • High-Impact Accelerators
      • Inclusive & Thriving Cities
      • Research & Knowledge
      • Climate Budgeting
    • Influencing the Global Agenda
      • Green & Just Transition
      • Global Diplomacy & Advocacy
      • Financing the Green Transition
      • Engaging the Private Sector
    • Building a Movement
      • Global Green New Deal
      • Youth Engagement
      • Cities Race to Zero
    • Scaling Up Climate Action
      • Water, Heat and Nature
      • Air Quality
      • Energy & Buildings
      • Food Systems
      • Transportation
      • Ports & Shipping
      • Urban Planning & Design
      • Waste Management
  • Our Cities
  • Latest
    • News & Insights
    • Research & Knowledge
    • Campaigns
    • Events
    • Case Studies
  • Language
  • Subscribe

    Subscribe to our newsletter

    Stay up to date with C40.

    • Visit our twitter page
    • Visit our linkedin page
    • Visit our instagram page
    • Visit our facebook page
    • Visit our youtube page

Thought Leadership

Thought Leadership

July 25, 2024

Clean Air Zones – A Win for People and the Planet

What Mayor Hidalgo is achieving in Paris has been an inspiration for cities around the world, and today, C40 is…
Thought Leadership

June 17, 2024

The breathtaking expansion of São Paulo’s green space

By C40 Executive Director, Mark Watts I’ve just returned from Brazil, where the nation was responding to the tragedy of...
Thought Leadership

March 22, 2024

Climate action starts on our plates

C40 Executive Director Mark Watts went back to school to learn about all things sustainable food, from an institution paving…
Thought Leadership

December 19, 2023

The end of the fossil fuel era is in sight

C40 Executive Director Mark Watts reflects on the outcomes of COP28
Thought Leadership

December 3, 2023

C40 Co-Chair Mayor Aki-Sawyerr delivers speech at UN Secretary-General’s event

Recently elected C40 Co-Chair Mayor of Freetown Yvonne Aki-Sawyerr delivered impactful words at the UN Secretary-General's event at COP28.
Thought Leadership

December 2, 2023

Cities and businesses call for the urgent phaseout of fossil fuels

By Mark Watts, C40 Executive Director, and María Mendiluce, CEO of the We Mean Business Coalition

Posts pagination

Previous page Page 1 Page 2 Page 3 … Page 83 Next page
C40 Cities

Who We Are

  • About C40
  • Leadership
  • Funders & Partners
  • Our Team

What We Do

  • Raising Climate Ambition
  • Influencing the Global Agenda
  • Building a Movement
  • Scaling Up Climate Action
  • Our Cities
  • News & Insights
  • Careers
  • Contact
  • Subscribe
  • Locations & Policies
C40 Knowledge Hub
  • Visit our twitter page
  • Visit our linkedin page
  • Visit our instagram page
  • Visit our facebook page
  • Visit our youtube page
  • Accessibility
  • Privacy Notice
  • Terms of Use
  • Website by Wholegrain Digital
© 2025

C40 Cities Climate Leadership Group, Inc. All rights reserved.

We use cookies. Learn more about how in our Privacy Policy.