THE PLANETARY SYSTEM IS OUT OF SAFE OPERATING SPACE Seven of Nine Planetary Boundaries Now Breached The planetary boundaries framework — developed to define the environmental limits within which humanity can safely operate — identified nine critical Earth system processes. In September 2023, all nine were quantified for the first time in a study published in Science Advances (Richardson et al., 2023). Six were found to be transgressed. By September 2025, the Potsdam Institute for Climate Impact