Environment & Sustainability speakers
John Gummer
UK’s Longest-Serving Environment Secretary
Adam Frost
BBC Gardeners’ World Presenter & Designer
Roger Harrabin
Energy & Environmental Journalist
Trevor Williams
Author, Academic and Consultant
Dr Makaziwe Mandela
Renowned Advocate for Social Justice and Empowerment
Klaus Dodds
Leading Expert on Geopolitics and Polar Security
Greg Clark
Global Cities Authority & CBE Awardee
Rohit Talwar
Top 3 Global Futurist & Strategic Advisor
Exclusive
Saabira Chaudhuri
Business Journalist and Author of 'Consumed: How Big Brands Got Us Hooked on Plastic' -long listed for FT/Schroders Business Book of 2025
Hugh Fearnley-Whittingstall
BAFTA-Winning Food Campaigner
Steven Okun
Geopolitics & Trade Policy Expert
Exclusive
Joanna Jensen
Entrepreneur, Author & Founder (Childs Farm)
Exclusive
Jake Fiennes
Biodiversity & Nature Recovery Strategist
Exclusive
Gareth Thomas
Biodiversity & nature strategy expert
Jaime Luque
Author, Professor & Real Estate Economist
Lucy Shepherd
British explorer, expedition leader and filmmaker
Liz Bonnin
Biochemist and Wildlife broadcaster
George Butler
Humanitarian Storyteller, Illustrator & Artist‑Reporter
Nelufar Hedayat
Emmy‑winning Journalist & Documentary Filmmaker
Lukas Haitzmann
Mechanical Engineer & Extreme Adventurer