Support
Donate
Keep systemic sustainability knowledge free for the world.
Every learning unit, video, and tool on this platform is free. Your contribution makes that possible, supporting the urbanist in Lagos, the policy team in Taipei, the architecture student in Delft.
Choose an amount
You are not donating to a charity. You are investing in open-source systemic change education. Resilience over growth. Autonomy over dependency. Harmony over extraction.
We will send a confirmation email to the address you use at checkout. You are only added to the list once you click the link in it.
Quarterly subscribers get rewarded
Subscribe from €15/quarter and immediately unlock Support tier: AI tutor Carl, graded exercises, and official SiD certification. One-time donations of €20+ also unlock 3 months; €45+ unlocks a full year. Access is granted automatically when your learning account email matches.
Subscribe from €15/quarter and immediately unlock Support tier: AI tutor Carl, graded exercises, and official SiD certification. One-time donations of €20+ also unlock 3 months; €45+ unlocks a full year. Access is granted automatically when your learning account email matches.
Payments processed securely via Stripe. Tax-deductible where applicable.