SOS International empowers networks and organizations working on sustainability in and beyond education. We connect, strengthen and scale student-led approaches for sustainability and social justice – so together we can go further, faster.


Member organizations


Students reached through our members




Green Offices


Green Office projects


Green Impact programs


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Our programs

SOS International helps members deliver sustainability programs and campaigns specifically designed for educational institutions. Built on a decade of experience, our members’ programs are currently run in several countries around the globe.

Establish your Green Office

A Green Office is a student-led sustainability office that informs, connects and supports students and staff to act on sustainability. Green Offices take a whole-institution approach towards sustainability, promoting education for sustainable development, sustainability governance and green campus projects. The Green Office model was awarded the UNESCO-Japan Prize on Education for Sustainable Development in 2015. Want to know more? Read all about it on the website.

Take part in Green Impact

Green Impact is a program designed to foster environmentally and socially sustainable practice within organizations. Through a bespoke online toolkit and tailored support, the program promotes staff engagement and student leadership to create behavior change. Green Impact has been awarded the UNESCO-Japan Prize on Education for Sustainable Development in 2016. Want to know more? Read our brochure in English | Nederlands | français | Deutsch | Dansk and have a look at the website.

Moreover, we assist in a range of projects, campaigns and other activities initiated by our members. Contact us via the form below to receive more information or to share the projects you are working on.

Sustainability Week

put sustainability in the spotlight at your campus for one week. Learn more

Student Switch-off

Compete in an inter-dorm room energy and recycling competition. Learn more

Responsible Futures

Push for whole-institution curriculum reform and accreditation. Learn more

Sustainability Influencers

Mobilize, engage and empower young people to take action on sustainability issues. Learn more


Our members

Read more about the members here



SOS International is a formal educational partner of the United Nations Environment Programme (UNEP)


Get in touch

Want to know more? Contact us!