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Biosphere integrity

Planetary boundaries: Weakening earth’s support systems

20 June 202617 June 2026 by Dr. Dave Webb

Earth pollution and consumption Artwork by Dr. Susan Prescott

In this post I introduce more fully the planetary boundaries framework which identifies a safe operating space for human activity on Earth.

Aerosol loading Biogeochemical flows (nutrients) Biosphere integrity Carbon dioxide (CO2) Carbon dioxide removal Carbon emissions CDR Climate change Consumer Consumption Cost internalisation Degeneration Degenerative business Degenerative economy Earth Environmental and human catastrophe External costs Extraction Extractive economy Flourish Freshwater use Land use change Ocean acidification Ocean plastic Ozone depletion Planetary boundaries Pollution Regeneration Regenerative Regenerative business Regenerative economy Regenerative living Resilience Restorative Return on investment ROI Sequestration Sustainable Sustainable business Thrive Utility maximisation Waste Waste reduction

© 2026 Dr. David Webb

Disclosure: No part of this blog has been written with the assistance of AI.