300 +

In person and virtual events

45000 +

Attendees

London Climate Action Week harnesses the unique power of London for global and local climate action.

It mobilises London’s unparalleled ecosystem of climate and non-climate organisations to accelerate global climate action and supports action in London to ensure it acts as a global climate leader.   

LCAW 2025 will take place 21-29 June 2025. 

Now in its 7th year, it is the largest city-wide climate festival in Europe, attracting over 45,000 people annually.  

LCAW provides a brand and platform under which hundreds of stakeholders host their events, creating a large and vibrant programme of climate-focused activities.  

The event registration process for the upcoming edition will open in early 2025.   

Sign up to our mailing list for regular updates and invitations to upcoming stakeholder briefings.

Events From