What are the major sources of greenhouse gas (GHG) emissions for U.S. dairy?
Crop and milk production make up the majority of emissions. This is typical of life cycle assessments (LCAs) for most other products, where the early steps in the value chain require extraction or use of natural resources, and have larger GHG emissions as a result. While the steps further down the value chain (processing, packaging and transportation) may have smaller relative contributions, they all contribute to the carbon footprint of fluid milk, which together is less than 2% of total greenhouse gas emissions in the U.S.
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- What are the major sources of greenhouse gas (GHG) emissions for U.S. dairy?
