200 +

In person and virtual events

45000 +


As climate change impacts ripple into everyday lives, cities must play a vital new role in building public support for ambitious and fair climate action. It is critical to build broader coalitions of support and ownership for the radical economic, institutional, and social transformations which will be needed.

London Climate Action Week (LCAW) aims to mobilise whole-of-society climate action in a diverse global city, through innovative coalitions and the city-wide engagement of communities and institutions. Now in its sixth year it is the largest city-wide climate festival in Europe, attracting over 45,000 people every year.

In 2024, join us in harnessing the power of London to accelerate global climate action.

Sign up to our mailing list for regular updates and register your event or campaign for LCAW 2024 here.

If you are hosting an event, you can find resources about LCAW including logos and past stakeholder briefing materials at LCAW 2024 Resources.

The LCAW Secretariat (hosted by E3G) is hosting stakeholder meetings for event hosts and potential event hosts – put them in your diary!

5th June – final virtual stakeholder meeting on 5 June at 12-13.00 BST. Registration link.

Register your event or campaign for LCAW 2024 here.