01
World3 model & Limits to Growth — Meadows, D.H. et al., The Limits to Growth (1972); Meadows, D.H. et al., Limits to Growth: The 30-Year Update (2004). Club of Rome.
02
Exponential growth & planetary boundaries — Rockström, J. et al., "A Safe Operating Space for Humanity," Nature, vol. 461 (2009). Stockholm Resilience Centre.
03
Global population projections — United Nations, World Population Prospects 2022. UN Department of Economic and Social Affairs. population.un.org
04
Climate tipping points & feedback loops — IPCC, Sixth Assessment Report (AR6) (2021–2022). Intergovernmental Panel on Climate Change. ipcc.ch
05
Resource depletion & overshoot — Global Footprint Network, Earth Overshoot Day Report (2023). overshootday.org
06
Food security & agricultural limits — FAO, The State of Food and Agriculture 2022. Food and Agriculture Organization of the United Nations. fao.org
07
Industrial pollution & systemic delays — Steffen, W. et al., "Trajectories of the Earth System in the Anthropocene," PNAS, vol. 115 (2018). Proceedings of the National Academy of Sciences.
08
Systems thinking & feedback dynamics — Meadows, D.H., Thinking in Systems: A Primer (2008). Chelsea Green Publishing.