Planetary Boundaries
We have breached 7 out of 9 Planetary Boundaries. The Planetary Health Check 2025 makes it clear: We have to act now.
The Planetary Boundaries
Danger Zone
Climate Change
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Danger Zone
Change in Biosphere Integrity
Biosphere Integrity refers to the ability of networks of ecosystems to sustain and regulate the overall state of the Earth. This requires that the organisms within these ecosystems are healthy, able to interact, and diverse.
High Risk Zone
Land System Change
The transformation of forests, grasslands, and other natural areas through land use and other human actions.
High Risk Zone
Freshwater Change
The alteration of surface and groundwater systems that support people and ecosystems.
High Risk Zone
Modification of Biogeochemical Flows
The disruption of nutrient cycles that regulate soil fertility and the health of water ecosystems.
Danger Zone
Ocean Acidification
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Save zone
Increase in Atmospheric Aerosol Loading
The concentration of fine particles in the atmosphere that influence climate and human health.
Save zone
Stratospheric Ozone Depletion
The thinning of the ozone layer that shields life from harmful ultraviolet radiation.
Danger Zone
Introduction of Novel Entities
The introduction of synthetic chemicals, plastics, and other human-made materials into Earth’s systems.

Name of Author
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Name of Author
Safe Operating Space for Humanity
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Key Drivers
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Tipping Points
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