United Nations
http://www.un.org/

Charter of the United Nations
http://www.un.org/en/documents/charter/index.shtml

https://www.undp.org/

https://climatepromise.undp.org/

https://www.youth4climate.info/

https://www.un.org/en/conferences/environment/stockholm1972 (United Nations Conference on the Human Environment, 5-16 June 1972, Stockholm)

https://www.undp.org/publications/aiming-higher-elevating-meaningful-youth-engagement-climate-action (Aiming Higher: Elevating Meaningful Youth Engagement for Climate Action)