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Physical Sciences › Chemical Engineering › Process Chemistry and Technology
Mitigation potential of global ammonia emissions and related health impacts in the trade network
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Conflicts of Interest
Identified Weaknesses
Rating Explanation
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Paper Summary
Paperzilla title
Trading Ammonia: Your Dinner is Killing Someone (Probably)
The study found that about one-fourth of global agricultural ammonia emissions are trade-related, causing significant PM2.5 pollution and related health impacts (61,000 premature deaths) globally. The researchers identified three trading communities and proposed targeted, community-based strategies for mitigating ammonia emissions through trade structure adjustments and technological advancements.
Possible Conflicts of Interest
None identified
Identified Weaknesses
Uncertainty in Emission Inventories
The study acknowledges uncertainty related to NH3 emission inventories, especially the coarse resolution for agricultural sectors in developing countries, which could affect the accuracy of the MRIO analysis.
Decoupled Approach for Mitigation
The study's approach to NH3 emission mitigation from crop and livestock production is decoupled, which doesn't fully reflect the interconnectedness of these sectors in real agricultural systems. This simplification might lead to unrealistic assumptions in scenarios like manure deep placement.
Simplified Trade Scenarios
Trade scenarios are based on optimization models, which might not fully reflect real-world complexities, such as political interests and other non-economic factors influencing international trade decisions.
Rating Explanation
This paper presents a valuable analysis of the role of international trade in global ammonia emissions and their health impacts. The use of MRIO modeling, CTM simulations, and network analysis provides a comprehensive understanding of the complex relationships between agricultural production, consumption, trade, and health outcomes. The proposed community-based mitigation strategies offer a novel approach to address this global challenge. However, the limitations related to data uncertainty and simplified assumptions regarding agricultural practices and trade scenarios need to be acknowledged.
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File Information
Original Title:
Mitigation potential of global ammonia emissions and related health impacts in the trade network
File Name:
s41467-021-25854-3.pdf
[download]
File Size:
3.14 MB
Uploaded:
July 14, 2025 at 11:26 AM
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