论文研究
arxiv.org ·
语言模型训练的环境影响持续上升,现在是关注反弹效应的时候
该论文基于 Epoch AI 数据库估算过去十年 ML 模型训练的环境影响,重点关注大语言模型及其训练硬件。研究发现,即使计入低碳电力结构和更高效硬件等减排策略,训练相关的能耗与环境影响仍呈指数增长,优化策略未能抵消训练带来的影响,提示存在反弹效应。作者指出硬件影响应按全生命周期而非仅使用阶段核算,以避免影响转移,并呼吁将环境影响系统性地纳入 NLP 评测与研究决策。论文已被 EMNLP 2026 收录。
AI推荐理由 arXiv 论文(EMNLP 2026 收录),基于 Epoch AI 数据库对过去十年 ML 模型训练的环境影响做量化估算,结论明确:能耗与环境影响呈指数增长,即便考虑低碳电力与更高效硬件等优化策略,仍存在反弹效应(rebound effect),并主张硬件影响需按全生命周期而非仅使用阶段核算。新信息在于把“效率提升不等于可持续”作为可验证结论提出,并呼吁将环境影响纳入 NLP 评测实践。局限是摘要未给出具体量化数值与模型清单,结论依赖 Epoch AI 数据库口径。
72
正文
Computer Science > Machine Learning
arXiv:2510.09022 (cs)
[Submitted on 10 Oct 2025 (v1), last revised 17 Sep 2026 (this version, v2)]
Title:The Environmental Impacts of Language Model Training Keep Rising Now is the Time to Catch Impacts on the Rebound
Authors:Clément Morand (STL), Anne-Laure Ligozat (ENSIIE, LISN, STL), Aurélie Névéol (STL, LISN)
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Abstract:Recent Machine Learning (ML) approaches have shown increased performance on benchmarks at the cost of escalating compute demands. Hardware, algorithmic and carbon optimizations have been proposed to curb energy use and environmental impacts. We estimate the environmental impacts associated with training models documented in the Epoch AI database over the last decade, with a particular focus on impacts associated with Large Language Models and the hardware used to train them. We find that energy use and environmental impacts associated with training ML models have increased exponentially, even when considering impact reduction strategies such as using less carbon intensive electricity mixes or more efficient hardware. Optimization strategies do not mitigate the impacts induced by model training, suggesting rebound effect. We show that the impacts of hardware must be considered over the entire life cycle rather than the sole use phase in order to avoid impact shifting. Our study demonstrates that increasing efficiency alone does not ensure sustainability. There is an urgent need to systematically integrate environmental impacts in NLP evaluation practices to better inform the community and support the use of impact as a feature in research planning and decision making.
Subjects:
Machine Learning (cs.LG)
Cite as:
arXiv:2510.09022 [cs.LG]
(or
arXiv:2510.09022v2 [cs.LG] for this version)
https://doi.org/10.48550/arXiv.2510.09022
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arXiv-issued DOI via DataCite
Journal reference:
2026 Conference on Empirical Methods in Natural Language Processing (EMNLP 2026), Oct 2026, Budapest, Hungary
Submission history
From: Clement Morand [view email] [via CCSD proxy]
[v1]
Fri, 10 Oct 2025 05:49:37 UTC (908 KB)
[v2]
Thu, 17 Sep 2026 12:29:23 UTC (937 KB)
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