Current issues and controversies in assessing the environmental impacts of livestock production.

Capper, J.L. (2021) Current issues and controversies in assessing the environmental impacts of livestock production. CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources.

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Abstract

The environment impact of livestock production is one of the most significant issues within agriculture. Global concerns over climate change, resource use, pollution and other environment indicators means that producers must implement practices and systems to reduce environmental impacts, yet this may only be achieved through assessments that allow impacts to be quantified, benchmarked and improved over time. Although environmental indicators are widely accepted, the metrics by which these are assessed continue to evolve over time as assessment objectives gain clarity and focus, and as the science relating to controversial topics (e.g. global warming or carbon sequestration) becomes more refined. however, significant negative trade-offs may occur between different metrics and denominators such that a specific practice or system may appear to have greater or lesser impacts, depending on assessment methodology. A number of tools and models have been developed to empower producers in quantifying environmental impacts, which will be increasingly important is satisfying future consumers' hunger for information as well as food. These tools must be supplied in tandem with information as to the potential consequences of changing management practices and systems. At present however, tools available are based on differing methodologies, are often opaque in their background calculations and do not necessarily account for all the factors that influence environmental impacts from livestock. There is a clear need for robust tools that can be used as standards for assessing environmental impacts from the global livestock industry and that go beyond GHG emissions to produce a more rounded holistic assessment.

Item Type: Article
Keywords: livestock wastes, climatic change, environmental effects, feeding stuffs, environmental pollution
Divisions: Agriculture and Environment (from 1.08.20)
Depositing User: Mrs Rachael Harper
Date Deposited: 04 Oct 2021 08:44
Last Modified: 04 Oct 2021 08:44
URI: https://hau.repository.guildhe.ac.uk/id/eprint/17742

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