Options to reduce the environmental effects of livestock production – Comparison of two economic models
Global livestock production accounts for about 80% of global land use, is one of the main drivers of biodiversity loss, and is responsible for about 18% of global greenhouse gas emissions. These impacts are likely to become more pressing as a consequence of rising demands for meat, eggs and dairy products. Theoretically, these impacts could be reduced by making the global food system more efficient or by dietary changes, as recent studies suggest. However, multiple feedbacks exist in the agricultural system, which may reduce the effectiveness of any promising change. Estimation of these effects is highly uncertain and depends on the tools applied. In this study, we used two different economic models (IMPACT and LEITAP), coupled to the integrated assessment model IMAGE, to examine different options to reduce the environmental impact of agriculture: dietary changes (less meat and dairy), increased production efficiency, and reduced food waste. In a detailed model comparison, we assessed the model results on consumption, agricultural production, commodity prices, land-use change and greenhouse gas emissions, and identified feedbacks in the global agricultural system. In both models, all options resulted in a reduction in agricultural land use and greenhouse gas emissions, as well as in agricultural commodity prices. The model results show that for most options less than the theoretical environmental gains would actually be achieved, due to price feedbacks leading to increased consumption and less intensive production. On the other hand, larger than expected effects could occur as a result of reduced European consumption.
If you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.
As the access to this document is restricted, you may want to look for a different version under "Related research" (further below) or search for a different version of it.
References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Bouwman, A.F. & Van der Hoek, K.W. & Eickhout, B. & Soenario, I., 2005. "Exploring changes in world ruminant production systems," Agricultural Systems, Elsevier, vol. 84(2), pages 121-153, May.
- Kantor, Linda Scott & Lipton, Kathryn & Manchester, Alden & Oliveira, Victor, 1997. "Estimating and Addressing America's Food Losses," Food Review: The Magazine of Food Economics, United States Department of Agriculture, Economic Research Service, vol. 20(1).
- Hertel, Thomas W., 2010.
"The Global Supply and Demand for Agricultural Land in 2050: A Perfect Storm in the Making?,"
2010 Annual Meeting, July 25-27, 2010, Denver, Colorado
92639, Agricultural and Applied Economics Association.
- Hertel, Thomas W., 2011. "The Global Supply and Demand for Agricultural Land in 2050: A Perfect Storm in the Making?," 2011 Conference (55th), February 8-11, 2011, Melbourne, Australia 100557, Australian Agricultural and Resource Economics Society.
- Martin Banse & Hans van Meijl & Andrzej Tabeau & Geert Woltjer, 2008. "Will EU biofuel policies affect global agricultural markets?," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 35(2), pages 117-141, June.
- Arnold Tukker & Sandra Bausch-Goldbohm & Marieke Verheijden & Arjan de Koning & René Kleijn & Oliver Wolf & Ignacio Pérez Domínguez, 2009. "Environmental Impacts of Diet Changes in the EU," JRC Working Papers JRC50544, Joint Research Centre (Seville site).
- Conforti, Piero & Londero, Pierluigi, 2001. "Aglink: The Oecd Partial Equilibrium Model," Working Papers 14808, National Institute of Agricultural Economics, Italy â€“ INEA, Osservatorio Sulle Politiche Agricole dell'UE.
- Thomas W. Hertel, 2011. "The Global Supply and Demand for Agricultural Land in 2050: A Perfect Storm in the Making?-super- 1," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 93(2), pages 259-275.
- Conforti, Piero & Londero, Pierluigi, 2001. "Aglink: The Oecd Partial Equilibrium Model," Working Papers 14808, National Institute of Agricultural Economics, Italy INEA, Osservatorio Sulle Politiche Agricole dell'UE. Full references (including those not matched with items on IDEAS)
When requesting a correction, please mention this item's handle: RePEc:eee:agisys:v:114:y:2013:i:c:p:38-53. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Dana Niculescu)
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
If references are entirely missing, you can add them using this form.
If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.
Please note that corrections may take a couple of weeks to filter through the various RePEc services.