Cities present a major opportunity — and an imperative — for raising climate ambition and delivering on countries’ climate mitigation and adaptation plans. 

Globally, one-third of potential urban emission reductions depends on collaboration between local, regional and national governments. Unlocking climate action through multilevel partnerships is therefore critical to achieving the goals of the Paris Agreement.

While the urban content of Nationally Determined Contributions (NDCs) is improving, it remains insufficient and doesn’t reflect the increasingly urban world we live in. UN-Habitat analysis shows that only 27% of nations’ pledges under the Paris Agreement include strong urban content. Setting national targets in closer collaboration with subnational governments, including cities, states and regions, can both help close the emissions gap and build resilience to the effects of climate change being experienced today.

Cities, states and regions are ready to act and, with the right support, can not only rapidly reduce up to 90% of their emissions but also create good jobs and long-term shared prosperity.

The Coalition for High Ambition Multilevel Partnerships (CHAMP) for Climate Action, launched in December 2023 by the COP28 Presidency in partnership with Bloomberg Philanthropies and with support from governmental, academic, and nonprofit groups, aims to enhance the cooperation and collaboration necessary for meeting those goals.

CHAMP is a commitment for greater multilevel cooperation in producing a country's climate plans, such as NDCs, to ensure that the next round of national pledges reflect greater ambition and inclusivity.

Since its launch at COP 28, 72 national governments, representing 34% of the global population, 58% of global GDP and 36% of global emissions, have joined CHAMP and endorsed its pledge.

CHAMP seeks to unlock emissions reductions and build resilience through concerted action across all levels of government, ensuring that the next round of national climate pledges reflect greater ambition and inclusivity.

Broadly speaking, CHAMP has two complementary goals:  

  • Signatory countries develop enhanced NDCs, incorporating strong subnational content, and include subnational governments in the process.
  • Subnational governments in CHAMP countries can progress, finance and deliver more ambitious, inclusive climate action. 

CHAMP partners aim to demonstrate implementation of its pledge’s principles in at least 10 countries by COP30 in 2025.

WRI Ross Center for Sustainable Cities, a founding partner of CHAMP, is supporting that effort in three main ways: 

In-Country Support

WRI is supporting four countries — Kenya, Rwanda, Colombia and Ethiopia — develop unified country-level CHAMP strategies by helping to identify priority climate actions that can benefit from stronger multilevel collaboration and co-design frameworks to enhance existing climate action pathways.

NDC Guide

WRI is developing practical guidance to national governments, particularly the 72 CHAMP endorsers, on how to enhance their NDCs through cooperation with subnational governments.

High-Level Political Dialogue

WRI will co-host the CHAMP High-Level Political Dialogue, a closed-door roundtable featuring ministers, governors and mayors, during the U.N. General Assembly and Climate Week NYC in September 2024.​ This will be an opportunity to showcase “first movers,” endorsers that have started working on and/or have made ambitious progress toward implementing NDC-related CHAMP principles, with the goal of encouraging further commitment and ambition. 

List of CHAMP endorsing countries:

1. Albania
2. Andorra
3. Antigua and Barbuda
4. Armenia
5. Australia
6. Azerbaijan
7. Bahamas
8. Bangladesh
9. Belgium
10. Bhutan
11. Brazil
12. Brunei Darussalam
13. Bulgaria
14. Burkina Faso
15. Cabo Verde
16. Canada
17. Chad
18. Chile
19. Colombia
20. Costa Rica
21. Cote d'Ivoire
22. Denmark
23. Dominican Republic
24. El Salvador
25. Estonia
26. Eswatini
27. Ethiopia
28. France
29. Germany
30. Ghana
31. Guatemala
32. Hungary
33. Iceland
34. Italy
35. Jamaica
36. Japan
37. Jordan
38. Kenya
39. Kiribati
40. Kyrgyzstan
41. Lebanon
42. Lesotho
43. Mexico
44. Moldova
45. Mongolia
46. Morocco
47. Netherlands
48. Nicaragua
49. Nigeria
50. North Macedonia
51. Norway
52. Pakistan
53. Palau
54. Panama
55. Papua New Guinea
56. Paraguay
57. Philippines
58. Poland
59. Portugal
60. Rwanda
61. Sant Vincent and the Grenadines
62. Serbia
63. Seychelles
64. Sierra Leone
65. South Korea
66. Sri Lanka
67. Türkiye
68. Turkmenistan
69. UAE
70. Ukraine
71. United States of America
72. Yemen