William Nordhaus

William Nordhaus

Robert Costanza

Rachel Moran – Speaker Agent as a Hologram

Rachel Moran – Speaker Agent as a Hologram

John Volanthen

John Valanthen

Parag Khanna - Keynote Speaker

Parag Khanna

Jane Goodall - Speaker

Jane Goodall

Tristram Stuart

Tristram Stuart

Tom Szaky

Tom Szaky

Dr. Asha de Vos

Boyan Slat - By DWDD - DWDD, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=66001495

Boyan Slat