Biodiversity Impact Analysis

A groundbreaking analysis on the link between biodiversity 🦇 and human well-being was published this week in Science. Bats, often overlooked in biodiversity discussions, play a critical role as natural pest controllers—benefiting both the economy and human health. Eyal Frank, known for his work linking vulture declines to human mortality in India, illustrates the cascading effects of biodiversity loss on agriculture and public health, using the decline of bat populations in the U.S. due to white-nose syndrome as a case study. The findings are alarming. Between 2006 and 2017, counties affected by white-nose syndrome, a fungal disease decimating bat populations, saw a 31% rise in insecticide use. Farmers, deprived of the pest control provided by bats, turned to chemicals as a substitute. However, this stopgap came at a steep cost—not just financially. The study shows infant mortality rates in those counties increased by nearly 8%, resulting in 1,334 additional infant deaths during this period, a grim consequence of increased chemical exposure. Frank aimed to quantify both the economic and human costs of losing this vital ecosystem service. His work illustrates the interconnectedness of biodiversity and human well-being. With fewer bats to prey on insects, crop revenues in affected areas dropped by 28.9%, with total agricultural losses estimated at $26.9 billion. The compensatory rise in insecticide use failed to fully replace the lost pest control and likely worsened declines in crop quality and farm revenue. While much of the biodiversity conversation focuses on species loss, this research underscores broader impacts, extending to agricultural productivity and public health. It serves as a stark warning to policymakers about the hidden costs of biodiversity decline. As efforts to protect 30% of the planet’s land and marine ecosystems by 2030 gain momentum, studies like this provide crucial evidence that conservation is not just about saving species but also safeguarding human life and livelihoods. Key Figures: 👉 31% increase in insecticide use in affected counties. 👉 8% rise in infant mortality in those same regions. 👉 1,334 additional infant deaths attributed to bat population declines. 👉 28.9% drop in crop revenue in areas impacted by white-nose syndrome. 👉 Estimated agricultural losses of $26.9 billion between 2006 and 2017. Eyal G. Frank. The economic impacts of ecosystem disruptions: Costs from substituting biological pest control. Science. 6 Sep 2024 Vol 385, Issue 6713 DOI: 10.1126/science.adg034 🔗 https://lnkd.in/gn4Kh5xE

We’ve lost nearly 20% of species in places touched by human activity. A global study just dropped in Nature and it’s the most comprehensive look yet at the human fingerprint on biodiversity: https://lnkd.in/gyKKPNFc Researchers analysed 2,000+ studies across nearly 100,000 sites worldwide. The result? Species loss is clearly linked to five major human-driven threats: 🚧 Habitat destruction - identified as particularly detrimental 🧽 Pollution - identified as particularly detrimental 🔥 Climate change 🦎 Invasive species 🔄 Resource exploitation The most vulnerable taxonomies? Reptiles, amphibians, and mammals. But here’s where it gets more complex and more important for businesses to pay attention: 📍 Biodiversity change is wildly variable: it depends on the type of pressure, the species, and the location. 💡 Translation? There’s no one-size-fits-all solution. That’s the real risk: most businesses are still treating biodiversity like it’s one off, feel-good ESG line item. It’s not. The next wave of biodiversity loss won’t be driven by bulldozers, it’ll be driven by businesses ignoring the need for location-specific strategies and local biodiversity intelligence. If your tools aren’t capturing biodiversity risk and turning it into real-time, actionable intelligence, then you’re flying blind. Biodiversity tech must: 🧠 Detect changes across different ecosystems, species, and scales 📊 Go beyond species counts and understand shifts in community composition 🛠️ Offer hyper-local insights over time (not just global scores) 📈 Plug into your risk models, not just your sustainability report If you’re a business leader and biodiversity isn’t showing up in your risk models or strategy, it’s time to change that. #Biodiversity #NaturePositive #TNFD #BiodiversityTech #Ecology #SustainabilityStrategy #RiskManagement #ESG #Greenwashing

Can we use #LCA to measure a product system's impact on #biodiversity ❓ The answer is yes❗ - How reliable are these calculations? Well, that is up for discussion. The impact on biodiversity should always be measured in situ by surveying the species richness of and ecosystem and in combination with other techniques usually including local communities' knowledge. - Why do I think so? Because ecosystems are essentially unique everywhere we look, the impact of a substance emission or material extraction from nature (elementary flows) varies from region to region. It is different to perform a given activity in an urban area than in a rainforest. However, in the last decade, new Life Cycle Impact Assessment methods have been developed to account for regional differences in the impact on biodiversity. They typically focus on assessing the impacts of #landuse and land-use change, as these are among the most significant drivers of biodiversity loss. They may quantify impacts in terms of potentially disappeared fractions of species (PDF) over a certain area and time (usually m2/year) or use other metrics to estimate the change in species richness or ecosystem quality. Some of the methods that include approaches to assess biodiversity impacts are: ➖ ReCiPe: a comprehensive LCIA method that includes a model for assessing land use impacts on biodiversity through the PDF metric. It aims to quantify species loss over a certain area and time due to land use. ➖ IMPACT World+Endpoint: This method includes an attempt to integrate biodiversity impacts through several impact categories such as the PDF from freshwater acidification, damage to ecosystem quality from changes in the soil pH, marine acidification, ecotoxicity, land transformation and occupation, water pollution, and water availability. It is one of the most complete. ➖ USEtox: focused on toxicological impacts, includes considerations for ecotoxicity, which indirectly affects biodiversity by assessing the potential toxic impacts on aquatic and terrestrial species. ➖ Land use biodiversity (Chaudhary et al., 2015): recommended by the UNEP-SETAC Life Cycle Initiative: "The indicator represents regional species loss taking into account the effect of land occupation displacing entirely or reducing the species that would otherwise exist on that land, the relative abundance of those species within the ecoregion, and the overall global threat level for the affected species." I love this method because includes regional factors. ➖ Global Biodiversity Score (GBS): not a traditional LCIA method, GBS is a tool developed to help companies assess their impact on biodiversity. Using a common metric, it translates pressures from organizational activities into impacts on biodiversity. We need to think way beyond #carbonfootprint to aim for a #sustainable world. Biodiversity loss is that issue that although highly interlinked with #climatechange, is the actual major environmental issue we face.

Biodiversity is reorganising at a planetary scale. A landmark Nature study by François Keck and colleagues synthesised 2,133 studies, covering nearly 98,000 impacted and reference sites across land, freshwater, and marine ecosystems. They measured three dimensions of change: local diversity, composition shifts, and homogenisation, across the five main human pressures: land use change, resource exploitation, pollution, climate change, and invasive species. The global picture is clear. Community composition changes strongly and consistently under human pressure, and local diversity declines across all biomes. Pollution and habitat change are among the most potent drivers. The long-assumed universal trend towards homogenisation is not supported; instead, its direction depends on spatial scale. Larger scales tend to show more homogenisation, while smaller scales often reveal differentiation. The authors’ findings have direct relevance for implementing the Kunming Montreal Global Biodiversity Framework. Targets that fail to account for spatial scale risk masking real changes. Monitoring systems should track composition shifts alongside richness, and include microbial and fungal communities, which often respond earliest to pressures or restoration. In freshwater systems, this matters for places like the beautiful Shkodër Lake, walking distance from where I live, with its many endemic and threatened molluscs, fish, and water birds. Regional and local distinctiveness must be maintained alongside global targets. From my perspective, four imperatives follow. First, direct finance, procurement, and regulation toward cutting pollution and safeguarding habitat integrity. These offer the fastest ecological gains while supporting broader recovery. Second, make biodiversity monitoring scale explicit in all GBF implementation plans, financing frameworks, and corporate disclosures. Third, invest in the capacity to monitor microbial and fungal communities as early warning indicators alongside plants and animals. Fourth, include shifts in species composition, not just measures of species richness, to indicate degradation or restoration, as the total number of species at different points in time can mask significant changes in what species are present. These steps, taken together, create a pathway for policy, finance, and restoration to work with the living patterns of ecosystems, rather than chasing statistical illusions. #Biodiversity #KunmingMontrealGBF #NaturePositive #PollutionControl #EcosystemRestoration

More than 90% of total land use related biodiversity loss is driven by how materials are extracted and processed. The same system also explains more than 55% of global emissions and 40% of particulate matter impacts. This points to a clear sustainability issue. The way companies source, produce and use materials is directly linked to biodiversity loss, emissions and pollution. Most value chains still depend on a constant flow of virgin materials. That dependence drives land conversion, ecosystem degradation and supply risk. Addressing this requires changes at the model level, not only incremental improvements: • Reduce reliance on virgin inputs by increasing recycled, secondary and alternative materials • Extend product lifetimes through repair, reuse and service based models • Eliminate unnecessary material use, especially in short life products and packaging • Apply regenerative practices where biological materials are part of the system These actions reduce the need for new extraction, which is where most impacts on nature occur. Sustainability becomes more concrete when the focus shifts from managing impacts to reducing how much material the system requires to operate. Source: Sitra, Circular Solutions for Nature (2024) + UNEP (2024)