The debate over the sustainability of cultivated meat is finally moving from theoretical models to hard data. A new study by experts from the Czech Technical University (CTU) and BeneMeat is the first in the world to present a Life Cycle Assessment (LCA) based on data from actual industrial operations.
Until now, impact assessments of cultivated meat relied on estimates from small-scale laboratories. However, these often do not apply at an industrial scale. A team of experts led by Barbora Stieberová, Ph.D., and Miroslav Žilka, Ph.D., from the Faculty of Mechanical Engineering at CTU, analyzed the processes of a plant with a daily capacity of 400–600 kg of meat. Unlike the vast majority of existing LCA studies, which restrictively focus on just a single factor (such as CO2 emissions), our analysis intentionally examines a wide spectrum of environmental impacts. This comprehensive, multi-factor approach provides significantly more accurate data for industrial scale and fundamentally differentiates both our study and the technology itself in the global market. The results show that the future of sustainable protein is much closer than we thought.
Key Findings: Reality Outperforms Theory
The biggest surprise of the study is the energy intensity. While previous theoretical studies estimated energy consumption between 163–277 MJ per kilogram of meat, real-world data from BeneMeat shows just 61.5 MJ/kg. This is 2.5 to 4.5 times lower than previously assumed, and this value is even lower than that of conventional beef.
How Does Cultivated Meat Compare to Conventional Meat?
Using the PEF (Product Environmental Footprint) methodology recommended by the European Commission, the total impact can be summarized into a single score:
- Beef: 3,292 µPt (highest impact)
- Pork: 945 µPt
- Chicken: 627 µPt
- Cultivated Meat (BeneMeat – current state): 557 µPt
- Cultivated Meat (BeneMeat – optimized scenario): 407 µPt
Even today, BeneMeat’s technology is more environmentally friendly than the production of chicken, which is considered the least demanding conventional animal protein.
The Path to a Minimum Footprint: Soy Protein and Green Energy
The study identified two main “hotspots” where the impact can be further radically reduced:
- Sustainable Soy: Simply changing the supplier of soy protein (to one that does not contribute to deforestation) reduces the total footprint by 20%.
- Energy Mix: Transitioning to green energy and installing photovoltaics will reduce greenhouse gas emissions to the level of top-tier European poultry farms.
In terms of land use, the advantage of cultivation is overwhelming. Thanks to vertical farming in bioreactors, the impact on ecosystems is 50% lower than for chicken and 95% lower than for beef.
Conclusion
The comprehensive, multi-factorial study confirms that cultivated meat is not just a scientific concept, but an industrially verifiable and sustainable alternative. With zero antibiotics and extremely low land requirements, it represents a new standard for 21st-century food security.
The full scientific publication, including a detailed analysis of additional environmental variables, can be found in the International Journal of Life Cycle Assessment, or you can explore the key highlights in our shortened LCA report.
