raises a new question: “What are the non-negotiable planetary preconditions that humanity needs to respect in order to avoid the risk of deleterious or even catastrophic environmental change at continental to global scales?”
We [1] make a first attempt at identifying planetary boundaries for key Earth System processes associated with dangerous thresholds, the crossing of which could push the planet out of the desired Holocene state.
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**[1]** J. Rockström et al., “Planetary Boundaries: Exploring the Safe Operating Space for Humanity,” Ecology and Society, vol. 14, no. 2, Nov. 2009, doi: 10.5751/ES-03180-140232.
See Boundary and "Planetary Boundaries Overview" chatgpt 