This lecture explores the concepts of human needs, satisfiers, and wellbeing, discussing the essential distinction between needs and desires, the role of sufficiency in sustainability, and the analysis of human needs through various eudaimonic schools of thought. It delves into the importance of meeting human needs within planetary boundaries, the central role of provisioning systems, and the Decent Living Standards approach. The presentation also covers the operationalization of wellbeing, the Mandala of Protected Needs, and the Sustainable Development Goals related to wellbeing.