Sustainability Concern|Biodiversity
Why this criterion? Halting biodiversity loss is considered a Sustainable Development Goal (SDG) by the United Nations for maritime (SDG14) and terrestrial (SDG15) life (United Nations, n.d.). According to the 2024 Planetary Boundary Health Check (Caesar, 2024), the loss of genetic diversity exceeded its safe levels in 2024. The GBF (2025) targets halting human-induced species extinction by 2030.
Why this threshold? We interpret the target of halting human-induced species extinction by 2030 as a non-negative change rate of the biodiversity intactness index.
Therefore, the lower threshold for the biodiversity intactness index is set to zero.
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Sources
| Identifier | Bibliographic information | Links |
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United Nations. The 17 Goals — Sustainable Development. n.d. | URL |
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L. Caesar, B. Sakschewski, L. S. Andersen, T. Beringer, J. Braun, D. Dennis, D. Gerten, A. Heilemann, J. Kaiser, N. H. Kitzmann, S. Loriani, W. Lucht, J. Ludescher, M. Martin, S. Mathesius, A. Paolucci, S. te Wierik, and J. Rockström. Planetary Health Check Report 2024. Technical Report, Potsdam Institute for Climate Impact Research, Potsdam, Germany, 2024. | URL |
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GBF. Kunming–Montreal Global Biodiversity Framework: 2030 Targets (Guidance Notes). 2025. Accessed July 27, 2025; contains summary and guidance on all 23 targets of the GBF. | URL |