Low-opportunity-cost feed can cut back land-use-related environmental impacts by about one-third in China


Newbold, T. et al. Has land use pushed terrestrial biodiversity past the planetary boundary? A world evaluation. Science 353, 288–291 (2016).

Tilman, D. & Clark, M. International diets hyperlink environmental sustainability and human well being. Nature 515, 518–522 (2014).

Uwizeye, A. et al. Nitrogen emissions from world livestock provide chains. Nat. Meals 1, 437–446 (2020).

Alexander, P. et al. Drivers for world agricultural land use change: the nexus of food plan, inhabitants, yield and bioenergy. Glob. Environ. Chang. 35, 138–147 (2015).

Tilman, D., Balzer, C., Hill, J. & Befort, B. L. International meals demand and the sustainable intensification of agriculture. Proc. Natl Acad. Sci. USA 108, 20260–20264 (2011).

Gao, L. & Bryan, B. A. Discovering pathways to national-scale land-sector sustainability. Nature 544, 217–222 (2017).


Statistics database. Meals and Agriculture Group (2019).

Bai, Z. et al. China’s livestock transition: driving forces, impacts, and penalties. Sci. Adv. 4, 1–12 (2018).

Röös, E. et al. Grasping or needy? Land use and local weather impacts of meals in 2050 below totally different livestock futures. Glob. Environ. Change 47, 1–12 (2017).

Van Zanten, H. H. E. et al. Defining a land boundary for sustainable livestock consumption. Glob. Change Biol. 24, 4185–4194 (2018).

Kim, B. F. et al. Nation-specific dietary shifts to mitigate local weather and water crises. Glob. Environ. Change 62, 101926 (2020).

Macdiarmid, J. I., Douglas, F. & Campbell, J. Consuming like there’s no tomorrow: public consciousness of the environmental impression of meals and reluctance to eat much less meat as a part of a sustainable food plan. Urge for food 96, 487–493 (2016).

Ma, L. et al. Exploring future meals provision eventualities for China. Environ. Sci. Technol. 53, 1385–1393 (2019).

Van Zanten, H. H. E., Van Ittersum, M. Ok. & De Boer, I. J. M. The position of cattle in a round meals system. Glob. Meals Sec. 21, 18–22 (2019).

zu Ermgassen, E. Ok. H. J., Phalan, B., Inexperienced, R. E. & Balmford, A. Decreasing the land use of EU pork manufacturing: the place there’s swill, there’s a method. Meals Coverage 58, 35–48 (2016).

Cheng, S., Jin, Z. & Liu, G. China city food and drinks waste report (in Chinese language). World Extensive Fund Nat. 53, 1689–1699 (2018).

Wilkinson, J. M. Re-defining effectivity of feed use by livestock. Animal 5, 1014–1022 (2011).


Schader, C. et al. Impacts of feeding much less food-competing feedstuffs to livestock on world meals system sustainability. J. R. Soc. Interface 12, 20150891 (2015).

Gustavsson, J., Cederberg, C., Sonesson, U., van Otterdijk, R. & Meybeck, A. International meals losses and meals waste: extent, causes and prevention. Int. Congr. Save Meals! 38 (2011).

Dou, Z., Toth, J. D. & Westendorf, M. L. Meals waste for livestock feeding: feasibility, security, and sustainability implications. Glob. Meals Sec. 17, 154–161 (2018).

Shurson, G. C. ‘What a waste’—can we enhance sustainability of meals animal manufacturing methods by recycling meals waste streams into animal feed in an period of well being, local weather, and financial crises? Sustainability 12, 7071 (2020).

Dou, Z. Leveraging livestock to advertise a round meals system. Entrance. Agric. Sci. Eng. 8, 188–192 (2021).

Röös, E., Patel, M., Spångberg, J., Carlsson, G. & Rydhmer, L. Limiting livestock manufacturing to pasture and by-products in a seek for sustainable diets. Meals Coverage 58, 1–13 (2016).

Meals waste and meals waste prevention—estimates—Statistics Defined. eurostats (2023).

Zhao, H. et al. China’s future meals demand and its implications for commerce and surroundings. Nat. Maintain. 4, 1042–1051 (2021).

Xue, L. et al. China’s meals loss and waste embodies rising environmental impacts. Nat. Meals 2, 519–528 (2021).

Taherzadeh, O. & Caro, D. Drivers of water and land use embodied in worldwide soybean commerce. J. Clear. Prod. 223, 83–93 (2019).

Xu, J. et al. Double cropping and cropland growth increase grain manufacturing in Brazil. Nat. Meals 2, 264–273 (2021).

Wang, Y., Yuan, Z. & Tang, Y. Enhancing meals safety and environmental sustainability: a vital evaluation of meals loss and waste administration. Resour. Environ. Maintain. 4, 100023 (2021).

Thi, N. B. D., Kumar, G. & Lin, C. Y. An summary of meals waste administration in growing international locations: present standing and future perspective. J. Environ. Handle. 157, 220–229 (2015).


Müller, C. Anaerobic digestion of biodegradable strong waste in low- and middle-income international locations. Eawag Aquat. Res. Switzerland 63 (2007).

Cobo, S., Dominguez-Ramos, A. & Irabien, A. Commerce-offs between nutrient circularity and environmental impacts within the administration of natural waste. Environ. Sci. Technol. 52, 10923–10933 (2018).

Kim, M. H., Music, Y. E., Music, H. B., Kim, J. W. & Hwang, S. J. Analysis of meals waste disposal choices by LCC evaluation from the attitude of worldwide warming: Jungnang case, South Korea. Waste Manag. 31, 2112–2120 (2011).

Salemdeeb, R., zu Ermgassen, E. Ok. H. J., Kim, M. H., Balmford, A. & Al-Tabbaa, A. Environmental and well being impacts of utilizing meals waste as animal feed: a comparative evaluation of meals waste administration choices. J. Clear. Prod. 140, 871–880 (2017).

Muscat, A. et al. Ideas, drivers and alternatives of a round bioeconomy. Nat. Meals 2, 561–566 (2021).

Vázquez-Rowe, I., Ziegler-Rodriguez, Ok., Margallo, M., Kahhat, R. & Aldaco, R. Local weather motion and meals safety: methods to cut back GHG emissions from meals loss and waste in rising economies. Resour. Conserv. Recycl. 170, 105562 (2021).

Cha, E., Toribio, J. A. L. M. L., Thomson, P. C. & Holyoake, P. Ok. Biosecurity practices and the potential for exhibited pigs to devour swill at agricultural exhibits in Australia. Prev. Vet. Med. 91, 122–129 (2009).

Sugiura, Ok., Yamatani, S., Watahara, M. & Onodera, T. Ecofeed, animal feed produced from recycled meals waste. Vet. Ital. 45, 397–404 (2009).

Javourez, U., O’Donohue, M. & Hamelin, L. Waste-to-nutrition: a evaluation of present and rising conversion pathways. Biotechnol. Adv. 53, 107857 (2021).

Parodi, A. et al. The potential of future meals for sustainable and wholesome diets. Nat. Maintain. 1, 782–789 (2018).

Larson, C. Dropping arable land, China faces stark alternative: adapt or go hungry. Science 339, 644–645 (2013).

Springmann, M. et al. Choices for maintaining the meals system inside environmental limits. Nature 562, 519–525 (2018).

Hu, Y. et al. Meals manufacturing in China requires intensified measures to be in keeping with nationwide and provincial environmental boundaries. Nat. Meals 1, 572–582 (2020).

Eshel, G. et al. A mannequin for ‘sustainable’ US beef manufacturing. Nat. Ecol. Evol. 2, 81–85 (2018).

Brandt, P., Yesuf, G., Herold, M. & Rufino, M. C. Intensification of dairy manufacturing can enhance the GHG mitigation potential of the land use sector in East Africa. Glob. Change Biol. 26, 568–585 (2020).

Meals balances (-2013, previous methodology and inhabitants). Meals and Agriculture Group (2013).

Miao, D. & Zhang, Y. Nationwide Grassland Monitoring Report (China Animal Husbandry, 2012).

Ma, L. et al. Modeling nutrient flows within the meals chain of China. J. Environ. Qual. 39, 1279–1289 (2010).


China Statistical Yearbook. Nationwide Bureau of Statistics of China (2013).

Technical Conversion Elements for Agricultural Commodities (FAO, 1997).

Gustavsson, J., Cederberg, C., Sonesson, U. & Emanuelsson, A. The methodology of the FAO research: “International Meals Losses and Meals Waste—extent, causes and prevention”— FAO, 2011 (The Swedish Institute for Meals and Biotechnology, 2013).

Hou, Y. et al. Feed use and nitrogen excretion of livestock in EU-27. Agric. Ecosyst. Environ. 218, 232–244 (2016).

Ministry of Agriculture (MOA) of the P.R.C. China Livestock Yearbook (China Agricultural Press, 2013).

van Hal, O. et al. Upcycling meals leftovers and grass assets by way of livestock: Impression of livestock system and productiveness. J. Clear. Prod. 219, 485–496 (2019).

van Selm, B. et al. Circularity in animal manufacturing requires a change within the EAT-Lancet food plan in Europe. Nat. Meals 3, 66–73 (2022).

Nationwide Growth and Reform Committee (NDRC) of the P.R.C. China Agricultural Merchandise Value-Profit Yearbook (China Statistics Press, 2013).

Music, G., Li, M., Semakula, H. M. & Zhang, S. Meals consumption and waste and the embedded carbon, water and ecological footprints of households in China. Sci. Whole Environ. 529, 191–197 (2015).

Clune, S., Crossin, E. & Verghese, Ok. Systematic evaluation of greenhouse fuel emissions for various contemporary meals classes. J. Clear. Prod. 140, 766–783 (2017).

van Hal, O., Weijenberg, A. A. A., de Boer, I. J. M. & van Zanten, H. H. E. Accounting for feed–meals competitors in environmental impression evaluation: in the direction of a useful resource environment friendly food-system. J. Clear. Prod. 240, 118241 (2019).

Mottet, A. et al. Livestock: On our plates or consuming at our desk? A brand new evaluation of the feed/meals debate. Glob. Meals Sec. 14, 1–8 (2017).

Hennessy, D. et al. The online contribution of livestock to the availability of human edible protein: the case of Eire. J. Agric. Sci. 159, 463–471 (2021).