Global Champions
All Global Champions endorsing the Open Letter calling for an International Non-Use Agreement on Solar Geoengineering express their support in their personal capacity and not on behalf of their institutions.
If you are interested in supporting this initiative as a Global Champion, please reach out to us at [email protected]
Youth Champions
Meet the Youth Champions who have endorsed the Open Letter calling for an International Non-Use Agreement on Solar Geoengineering

Erica Njuguna
Climate Justice Organizer; Co-Coordinator for Alliance of Non-Governmental Radical Youth (A.N.G.R.Y)

Mohammed Usrof
Executive Director of the Palestinian Institute for Climate Strategy

Tori Tsui
Senior Advisor Fossil Fuel Non-Proliferation Treaty; Climate Justice Advisor Earth Percent; Author of It’s Not Just You (shortlisted for Wainwright prize)

Mitzi Jonelle Tan
Climate Justice Activist; Fossil Fuel Non-Proliferation Treaty Steering Comittee; Youth Advocates for Climate Action Philippines

Bianca Castro
Deputy Program Leader Roots, Greenpeace; Climate justice organiser; Environmental Columnist

Gina Cortés Valderrama
co-Focal Point and member of the Facilitative Committee of the UNFCCC Women and Gender Constituency