Planetary Health Check
Our planet’s vital signs are flashing red
7 out of 9 Planetary Boundaries are breached.
We have to act now.
Earth Status
BoundaryBar 1 Loading... (Stratospheric Ozone Depletion: 11.5793505%)
BoundaryBar 2 Loading... (Increase in Atmospheric Aerosol Loading: 20.252507475%)
BoundaryBar 3 Loading... (Ocean Acidification: 25.9882091%)
BoundaryBar 4 Loading... (Freshwater Change: 29.425%)
BoundaryBar 5 Loading... (Freshwater Change: 29.325%)
BoundaryBar 6 Loading... (Land System Change: 36.6415893%)
BoundaryBar 7 Loading... (Climate Change: 36.222523775%)
BoundaryBar 8 Loading... (Climate Change: 64.261573275%)
BoundaryBar 9 Loading... (Modification of Biogeochemical Flows: 53.45%)
BoundaryBar 10 Loading... (Modification of Biogeochemical Flows: 70.94858105%)
BoundaryBar 11 Loading... (Introduction of Novel Entities: 42.5%)
BoundaryBar 12 Loading... (Change in Biosphere Integrity: 50%)
BoundaryBar 13 Loading... (Change in Biosphere Integrity: 66.075%)
The Planetary Boundaries
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Human activities have pushed Earth beyond its Safe Operating Space. The planet's natural resilience is weakening: global warming is accelerating, ecosystems are showing clear signs of degradation, and early warning signs of tipping points are emerging in key systems. We have entered the Anthropocene — an era where human activity dominates the Earth system.
To saveguard the Earth's resilience and stability, we must bring the planet back into its Planetary Boundaries. These boundaries are scientifically defined guardrails that ensure the Earth's health. Stay within them, and the Earth stays our dependable home — breach them, and we risk irreversible damage to our very own life support system. Today, seven out of nine boundaries have been transgressed.
The Planetary Health Check is a yearly report on the state of our planet. It presents the most up-to-date assessments of the Planetary Boundaries, gives thorough introductions into cutting-edge science, and spotlights especially relevant aspects of our planet's health. In this 2025 edition, we place a special focus on the Ocean's role in the Earth system, and assess for the first time that Ocean Acidification is the seventh transgressed Planetary Boundary.

Name of Author
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Science
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All ArticlesFeatured Article

Climate Tipping Points: A Dangerous Threshold for Humanity
Earth's climate system stands precariously at the edge of irreversible transformation.
Read ArticleAbout this Projekt
The Planetary Boundaries Science (PBScience) project was launched in 2023 to address critical gaps in our understanding and monitoring of the Earth system. Utilizing advanced simulation modeling, incorporating the latest available measurement datasets and synthesizing new insights from Earth system science literature, PBScience provides annual Planetary Health Checks based on the Planetary Boundaries framework. Collaborating closely with the Planetary Guardians and other partners, PBScience strives to elevate global awareness and drive action towards maintaining planetary stability.
Read MoreGet in Touch
Amid the planetary crisis, the Planetary Boundaries Initiative (PBI) brings together diverse perspectives from scientists, policymakers, and civil society to develop collaborative solutions for environmental risks. The PBI's Planetary Boundaries Analyzer (PBAnalyzer) integrates multi-stakeholder insights with AI to deliver tailored decision-support solutions for different communities. This multi-perspective approach ensures solutions are both scientifically rigorous and practically relevant across institutions and disciplines. The PBI is open for collaborations. Please contact: pbscience@pik-potsdam.de
Read MoreAre you interested in collaborating, or do you have questions or inquiries? We would love to hear from you.