Dr. Jane Goodall, primatologist and anthropologist

Kumi Naidoo, Secretary General Amnesty International

Matt Larsen-Daw, Education Manager for #OurPlanet at WWF-UK

Francesco La Camera | Director-General IRENA

Jennifer Morgan - Executive Director Greenpeace International

Dr. Jennifer Languell (USA) - star of Discovery Channel series "Project Earth"

Watch the Project Earth Engineering the Future on YouTube.

Bunny Mcdiarmid - Executive Director Greenpeace International

Jess Cramp (Cook Islands) - National Geographic Explorer

Read more about Jess Cramp at nationalgeographic.com

HRH Crown Prince Alexander

Anthony Salcito (USA) - VP Microsoft Education Corp

Céline Cousteau - Filmmaker and Explorer

www.celinecousteau.com - watch her TED talk

Alexander De Croo - Deputy Prime Minister Belgium

Watch his video message: https://youtu.be/KcQaZxByv-Y

Fatima Claudino (Portugal) - UNESCO

Read Fatima's message

Canadian Geographic Education

Stephen Ritz (USA) - Green Bronx Machine

Read more about Stephen

Jessie Hendricks (USA) - Actress

Read more about Jessie

Jennifer Nolan

Rias

Frank Deboosere - Belgian Weather Presenter

Watch his video message!

Rob Drummond (Australia)

Dr João Manso Neto (Portugal)

CEO of EDPR renewable energy.

Detlev Jöcker (Germany) - Singer & Songwriter

Wim Swerts (Belgium) - Cartoonist

Er Anuj Sinha (India) - Scientist

Read more

Willy Schuyesmans (Belgium) - Author