Hivos
Dutch NGO Working in Africa, Asia and Latin America
Hewlett Foundation
Private foundation established by Hewlett-Packard cofounder
European Climate Foundation
An international organisation whose aims are to promote climate and energy policies that it says would greatly reduce Europe's greenhouse gas emissions and to help Europe play a stronger international
Convergence
Social Impact Consultancy, Created "Education Reimagined"
ClimateWorks Foundation
Influential climate-focused philanthropic foundation funded by the likes of Bill Gates and Jeff Bezos, with heavy presence in geoenegineering funding
Bloomberg Philanthropies
Includes Mike Bloomberg's personal giving and the Bloomberg Family Foundation
Atlantic Council
International affairs Think Tank