期刊
TRENDS IN FOOD SCIENCE & TECHNOLOGY
卷 126, 期 -, 页码 168-179出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tifs.2021.09.001
关键词
Environmental impact; LCA; Climate-change effects; Dairy product; Food safety; Milk
资金
- European Union [813329]
- FEDER (UE)
- Galician Competitive Research Group [GRC ED431C 2021/37]
This paper addresses the twin challenge of climate change and its effects on the environmental performance of the dairy products value chains. It focuses on the contribution of the dairy sector to climate change and the biophysical impacts of climate change on the sector in Europe. The study found that dairy farms are the major contributor to greenhouse gas emissions and also the most vulnerable stage to climate change. Measures will be needed to mitigate the threats and opportunities faced by the sector.
Background: Globally, climate change is a challenge for the dairy sector and its effects are expected to have important consequences on the environmental performance of the dairy products value chains. At the same time, this sector significantly contributes to global warming and other environmental impacts. Scope and approach: This paper addresses this twin challenge from a life cycle perspective, i.e. covering from dairy farms, dairy factory, distribution and retail, to consumption. To do so, literature reviews were done on the contribution of the sector to climate change and on the biophysical impacts of climate change on the dairy sector in the near term in Europe. Both reviews were linked to qualitatively analyse the interaction and connect in a matrix the biophysical impacts caused by the effects of climate change on the environmental performance of the sector. Key findings and conclusions: Not surprisingly, dairy farms were identified as the major contributor to the total greenhouse gas emissions across the dairy value chains but also as the most vulnerable stage to climate change. Depending on the region, the dairy sector will face opportunities but also threats such as significant cows' heat stress, crop cultivation variability, on-farm water availability, cows' diseases, crop pests' pressure and product safety risk, which is associated with product losses and waste. Measures will be needed to mitigate them but with an environmental cost. The clear definition of the dairy sector-climate change interaction is the starting point to begin preparing this sector for a near-future under climate change conditions.
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