Haas, W (2021): Kreislaufwirtschaft in Südafrika: Eine Chance für die Erreichung der UN-Nachhaltigkeitsziele?.
BOKU-Das Magazin der Universität des Lebens, 3, 24-26 FullTextDominik Wiedenhofer (2022): Is the circular economy an ecological sustainability strategy?.
Summer School for Alternative Economic and Monetary Systems, 13.7.2022 - 5.8.2022, WienHaas, W (2021): Big picture: Global and African economy gauged in Megatonnes: Linear and circular flows towards circularity.
International Summit on the SDGs in Africa 2021, AUG 17, 2021, onlineHaas, W (2021): Do we become circular? A global perspective on global social metabolism of the last century and possible implications for an extractive economy like South Africa.
CST colloquium (Centre for Complex Systems in Transition, Stellenbosch University), APR 1, 2021, Stellenbosch, SOUTH AFRICA [online]Haas, W (2021): Mit der Kreislaufwirtschaft zu Degrowth: Vision oder Illusion?.
Diskussionsreihe an der Arbeiterkammer: "Degrowth: Zukunftspfad oder Illusion?", MÄR 24, 2021, OnlineHaas, W; von Blottnitz, H; Virág, D; Wiedenhofer, D (2021): Tracing biomass flows in South Africa’s economy: Ecological cycling potentials and pending sustainability challenges.
Workshop: Unpacking the organic waste value chain. Exploring stakeholder roles and opportunities for growth, 24.06.2021, [online]Haas, W; von Blottnitz, H; Virág, D; Wiedenhofer, D (2021): South Africa’s economy gauged in Megatonnes: High on extraction, low on stock-building, with pockets of circularity.
MtM (Minerals to Metals) / SAIMM (Southern African Institute of Mining and Metallurgy) Forum, JUN 2, 2021, Cape Town, South Africa [online]Haas, W; von Blottnitz, H; Virág, D; Wiedenhofer, D (2021): South Africa’s economy gauged in Megatonnes: Linear and circular flows including the informal sector's contribution to circularity.
DSI/NRF/CSIR Chair in Waste and Society Webinar Series, MAY 20, 2021, Cape Town, South Africa [online]