Nine Limits, Six Breached: The Planetary Boundaries Crisis Explained
Release Date: 04/17/2025
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info_outlineHear from Dr. Levke Caeser of the Potsdam Institute for Climate Impact Research, as we dive into the planetary boundaries framework and the risks of overstepping the limits of earth systems.
Planetary boundaries are the biological and physical limits that define a “safe operating space” for humanity on Earth. But today, many of these limits – including those related to land, freshwater, climate, and biodiversity – have been dangerously exceeded. As a result, we’re now entering uncharted territory.
So in today’s episode, we’ll be exploring the consequences of breaching these limits, and how we might get ourselves back on track. We’ll discuss:
- The science and selection process behind the planetary boundaries framework;
- Why we have failed to govern these global risks; and
- What actions can now be taken to correct our course and mitigate the risks.
To find out more about the Sustainability and Climate Risk (SCR®) Certificate, follow this link: https://www.garp.org/scr
For more information on climate risk, visit GARP’s Global Sustainability and Climate Risk Resource Center: https://www.garp.org/sustainability-climate
If you have any questions, thoughts, or feedback regarding this podcast series, we would love to hear from you at: [email protected]
Links from today’s discussion
- Potsdam Institute for Climate Impact Research (PIK): https://www.pik-potsdam.de/en/home
- PIK Planetary Boundaries Science Lab: https://www.pik-potsdam.de/en/institute/labs/pbscience
- Climate Tipping Points Explained: https://www.garp.org/risk-intelligence/sustainability-climate/climate-tipping-points-250106
Speaker’s Bio(s)
Dr. Levke Caeser, Co-Lead for Planetary Boundaries Science, Potsdam Institute for Climate Impact Research
Levke is a climate scientist specializing in Earth system dynamics and planetary boundaries science. Her work focuses on understanding the impacts of human activities on global systems, with a particular emphasis on ocean circulation, climate tipping points, and sustainability. Dr. Caesar is co-leading the Planetary Boundaries Science team (PBScience), contributing to advancing the representation of Earth's systems in global frameworks. She combines expertise in data analysis, interdisciplinary collaboration, and science communication to drive impactful research and foster innovative solutions for global environmental challenges.