A major new scientific review, “Planetary Health Check 2025”, shows that seven of nine planetary boundaries have now been exceeded. For the first time, this also includes the boundary for ocean acidification. This means that several of Earth’s life-supporting systems risk crossing critical thresholds, with severe consequences for both ecosystems and societies.
The seven breached planetary boundaries are: Climate Change, Biosphere Integrity, Land System Change, Freshwater Use, Biogeochemical Flows, Novel Entities, and Ocean Acidification (new in 2025). All of these seven boundaries show worsening trends. Only Ozone Depletion and Aerosol Loading remain in the safe zone.
“We are witnessing widespread decline in the health of our planet. But this is not an inevitable outcome. The drop in aerosol pollution and healing of the ozone layer, shows that it is possible to turn the direction of global development. Even if the diagnosis is dire, the window of cure is still open. Failure is not inevitable; failure is a choice. A choice that must and can be avoided,” said Johan Rockström, Director of the Potsdam Institute for Climate Impact Research, and researcher at the Stockholm Resilience Centre.
Source: Seven of nine planetary boundaries now breached
