carbonn Climate Registry

Earth Hour City Challenge

As of 01 July 2015, cities located in the following countries are eligible to enroll:

  • Brazil
  • Canada
  • China
  • Colombia
  • Ecuador
  • Finland
  • France
  • India
  • Indonesia
  • Malaysia
  • Peru
  • Philippines
  • Rwanda
  • South Africa
  • Singapore
  • Spain
  • Sweden
  • Tanzania
  • Thailand
  • USA
  • Vietnam

Cities already reporting in the cCR can confirm participation from their account.

New cities can register in the cCR and enroll in the EHCC simultaneously by registering here.

The reporting window for the ongoing round of the EHCC initiative closes on November 13, 2015. Supporting material for participants can be found at the bottom of this page

About the EHCC

Each year, ICLEI - Local Governments for Sustainability (ICLEI) cordially invites cities and towns in selected countries to participate in WWF’s internationally acclaimed Earth Hour City Challenge (EHCC). The EHCC is run by WWF in collaboration with ICLEI and the Swedish Postcode Lottery.

Founded in 2011, the Earth Hour City Challenge initiative was created by WWF to celebrate cities and towns that are taking innovative actions towards creating a greener, cleaner and more sustainable city to live in, while inspiring other cities to do the same.

Following the reporting period, an evaluation process takes place where an international expert jury selects national Earth Hour capitals from a batch of finalist cities and on a leveled playing field, identify one global Earth Hour Capital. The winning cities are celebrated and promoted on websites, in films, conferences and in a global award ceremony. Up to three leading cities in each country will also be promoted in a social media campaign building public support for strong climate action. 

To access the official website of the Earth Hour City Challenge click here.

2015 - 2016 Webinar Series

Cities interested in participating in the Earth Hour City Challenge can join us on for the following technical sessions.

All times refer to Central European Standard Time.

If not indicated otherwise, webinars will be held in English.

Thu, Sep 10, 2015 10:00 AM - 11:00 AM CEST

Thu, Sep 10, 2015 10:30 AM - 11:30 AM CEST (Spanish)

Thu, Sep 10, 2015 5:00 PM - 6:00 PM CEST

Thu, Oct 8, 2015 10:00 AM - 11:AM CEST
Thu, Oct 8, 2015 5:00 PM - 6:00 PM CEST

Thu, Oct 22, 2015 10:00 AM - 11:00 AM CEST
Thu, Oct 22, 2015 5:00 PM - 6:00 PM CEST


    Introduction to the EHCC
    Timeline and evaluation framework
    Presentation of the carbonn Cities Climate Registry

Recordings will be made available following each webinar on the cCR Support and Templates page here.

WWF Earth Hour City Challenge Digest 2016

Hot off the press: click here to read the WWF Earth Hour City Challenge Digest 2016! Gain inspiration from over 328 local governments' ambitious commitments and big win actions reported in the carbonn Climate Registry.

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