Human activities continue eroding the planet’s stability, resilience and life-support functions, the third edition of the Planetary Health Check released in September warns. The “scary” part of the 2026 report, says lead co-author Levke Caesar, is that the trends are largely going in the wrong direction. “We still have seven out of the nine planetary boundaries are transgressed, and actually for those seven, the pressure is increasing,” she told Mongabay in an interview. The report is co-published by the Planetary Boundaries Science Lab at the Potsdam Institute for Climate Impact Research (PIK) and Planetary Guardians, an NGO. Last year, ocean acidification became the seventh planetary boundary to pass its safe limit, alongside the already transgressed climate change, biosphere integrity, novel entities, freshwater, land use change, and biogeochemical flows (nitrogen and phosphorous pollution) boundaries. All seven continue heading further into the danger zone based on recent data featured in the report. Meanwhile, the stratospheric ozone depletion boundary remains stable, though the new report underlines that the recovery of the atmospheric ozone layer appears to have plateaued. Atmospheric aerosol loading risk — due to emissions of a wide range of polluting particulates — is declining globally, but regionally South Asia remains beyond safe limits and that trend is worsening. Seven of the nine planetary boundaries have now been breached, threatening the safe operating space for humanity, according to scientists. Image courtesy of Planetary Health Check 2026. The “solemn, silent message” of the 2026 report is that the global situation is still far…This article was originally published on Mongabay

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