One of the world’s largest independent climate change events bringing together world-leading climate expertise to help solve the climate emergency.
About
London Climate Action Week was founded in 2019 by E3G in partnership with the Mayor of London.
Its mission is to harness 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.
The week aims to demonstrate the whole of society engagement needed to support the delivery of decarbonisation and resilience as well as stimulate other global cities to host similar events.
Impact Goals:
- Shaping global climate action including diplomacy on the path to the annual international climate COP.
- Delivering a net zero, resilient London and UK by helping drive a just and inclusive climate transition.
- Aligning the London “Climate Cluster”.
- Demonstrating the “whole of society” engagement needed to support delivery of deep decarbonisation and resilience.
700+ in person and virtual events
Over 45,000 Participants
From Edinburgh to London
Two UK cities rank in the global top 20 of the Green Finance Index:
London ranked in the top three worldwide for green finance, and Edinburgh rising with real momentum as Scotland’s natural home for green and sustainable finance.
This year, in response to strong demand, GEFI brought forward its Edinburgh Finance Festival to align with London Climate Action Week, turning June into a full month, of action, engagement and impact.

GEFI Events During LCAW
Smith 250: Reclaiming the Purpose of Markets
GEFI, in partnership with Royal London, brought together perspectives from across finance, policy and civil society to explore the themes emerging from the recently launched Smith250 publication..

GEFI Stakeholders' Lunch
During a busy programme of events, GEFI brought together senior colleagues to share insights on market developments, discuss common challenges and explore potential strategic synergies.
Tayyib Inspired: Practical Solutions for Setting a New Direction
This private round table, convened in partnership with Gatehouse Bank and HSBC Asset Management, showcased a new direction of actionable, scalable market solutions capable of mobilising Tayyib‑aligned capital at pace.









