Climate Change and Environment

Paul Polman
Former CEO, Unilever; Sustainable & Responsible Business Leader

Lewis Gordon Pugh
Explorer, World Record Swimmer and Environmentalist

Jeffrey Sachs
Legendary Development Economist

Enric Sala
National Geographic Explorer in Residence & Marine Ecologist

Tara Shine
Adventurer, TV Presenter & Writer

Vandana Shiva
Environmental Activist, Radical Scientist & Eco Feminist

David Shukman
BBC Science Editor and Author

Lucy Siegle
Broadcaster and Financial Commentator

Lauren Singer
Zero Waste Expert, Entrepreneur, Blogger & Environmental Activisit

Guy Singh-Watson
Founder of Riverford Organic Farmers

Boyan Slat
Entrepreneur & Visionary

Achim Steiner
Administrator, United Nations Development Programme

Nicholas Stern
Global Economist & Chairman of the LSE Grantham Institute

Nadja Swarovski
A Visionary Businesswoman

Tshering Tobgay
Former Prime Minister of Bhutan