SmartCitiesWorld Summit takes place
during London Climate Action Week

Cities Climate Action

Urban Resilience

Smart City Innovation

Bringing Cities Together to Inspire Climate Action

Cities Climate Action Summit

Streaming Sessions via the Summit App

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Top Climate Connectors: Referral Leaderboard

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Cities Climate Action Workshop: Pioneering digital twin solutions for climate-resilient cities

This workshop offers practical insights into how digital twin technologies and the metaverse can enable smarter, faster, and more resilient urban development - especially in underdeveloped or post-conflict regions.More

Roundtables at Cities Climate Action Summit

During the Cities Climate Action Summit (24-25 June), we will be running a number of roundtable sessions. These will be closed groups allowing up to 15 delegates to discuss the topics of the day. We’ll cover Climate Tech, Mobility Transformation, Energy Transition, Built Environment and more..More

Highlights from Cities Climate Action Summit 2025

Held in London and online on 24-25 June 2025, the Cities Climate Action Summit is the pre-cursor to the 2026 SmartCitiesWorld Summit.

Bringing together expert global speakers, plus an exhibition of leading climate action solution providers, the 2025 event – and its prior editions in 2023 and 2024 – laid the foundation for the climate-focused stream at SmartCitiesWorld Summit in 2026.

Watch the highlights, catch up on demand, or browse the agenda and speakers, below.

2025 Speakers

Nalin Agarwal

Founding Partner

Climate Collective

Matt Anderson

Assistant Director - Mobility and Sustainability

City of Coral Gables

Jeni Arndt

Mayor

Fort Collins, Colorado

Miles Ashton

Local Green Investment Lead

Green Finance Institute

Nikki Batchelor

Executive Director

XPRIZE Carbon Removal

Jaromir Beranek

Deputy of the Prague City Assembly

City of Prague

Justin Bibb

Mayor

City of Cleveland, Ohio

Theo Blackwell MBE

Chief Digital Officer for London

London

Laia Bonet

First Deputy Mayor, Urban Planning, Ecological Transition, Urban Services and Housing

Barcelona City Council

Jon Burke

Climate Change and Decarbonisation Lead

Gloucester City Council

Shelby Rust Buso

Chief Sustainability Officer

City of San Diego

Aissata Camara

Deputy Commissioner for Policy & Strategic Initiatives / Chief of Staff

New York City

Marc Coudert

Climate Resilience & Adaptation Manager

City of Austin

Paula DiPerna

Author

Pricing the Priceless

Enver Enver

Interim Chief Finance Officer

Greater London Authority

Carlos Evans

Director, Office of Environmental Quality & Sustainability

City of Dallas

Andrea Fernandez

Managing Director, Climate Finance

C40 Cities

Hazem Galal

Cities and Local Government Global Leader and Global Smart Mobility Co-leader

PwC

Genesis Gavino

Special Assistant to the City Manager

City of Austin

Christiaan Gevers Deynoot

South Pole

City CDR Lead

Alderman Alison Gowman

Lead member for Climate Action

City of London Corporation

Matt Greener

Director

Arriva Group Zero Emission Institute

Johan Hanekom

Principal for Sustainability and Innovation

AMAZON WEB SERVICES

Angel Hsu

Co-Lead

Net Zero Tracker

Wayne Hubbard

CEO

ReLondon

Lolita Jackson MBE

Executive Director, Sustainable Cities

Sustainable Development Capital LLP

Dr P R Jagannathan

Senior General Manager, Sustainability

Sobha Realty, Dubai

Prashant Kapoor

Chief Industry Specialist, Green Buildings and Cities, Climate Business Department

World Bank Group

Eugenia Kargbo

Chief Heat Officer

City of Freetown

Mary Kerr

Climate Finance Manager

Glasgow City Council

Maia Kutner

Global Director Cities States and Regions

CDP

Adam Lechmere

Climate and Resilience Strategy Manager

United Utilities

Sam Longman

Head of Sustainability

Transport for London

Francisco Macedo

Senior Programme Associate

Cities Climate Finance Leadership Alliance

Davor Meersman

CEO

FutureCraft Habitats

Patricia Nolan

City Councillor

City of Cambridge, MA

Yiu-Shing Pang

Open Data Manager

UK Power Networks

Theis Hybschmann Petersen

Advisor, Department for Energy & Technology

Copenhagen City Properties

Carl Piva

Chairman

Stockholm Green Innovation District

Jeff Risom

Partner, Chief Innovation Officer

Gehl

Holly Roberts-Harry

Director, Climate Risk and Resilience

Howden

Mauricio Rodas

Lead, City Champions for Heat Action

Arsht-Rock

Julian Scriven

Managing Director

Brompton Bike Hire

Roxana Slavcheva

Global Lead for Built Environment

World Resources Institute

Galen Treuer

Climate Tech and Economic Innovation Manager

Miami-Dade County

Steve Turner