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    請使用永久網址來引用或連結此文件: https://ir.lib.ncu.edu.tw/handle/987654321/111372


    題名: 生命週期評估對 AI Slop 影片生成過程中的環境衝擊分析;生命週期評估對 AI Slop 影片生成過程中的環境衝擊分析
    作者: 賴加傅;Fu, Lai Chia
    貢獻者: 環境工程研究所在職專班
    關鍵詞: 生成式人工智慧;生命週期評估;碳排放;環境衝擊;AI Slop;Generative Artificial Intelligence;Life Cycle Assessment;Carbon Emissions;Environmental Impact;AI Slop
    日期: 2026-09-02
    上傳時間: 2026-10-20 17:20:17 (UTC+8)
    出版者: 國立中央大學
    摘要: 近年來生成式人工智慧(Generative Artificial Intelligence, Generative AI)技術快速發展,帶動文字、圖片、影音等內容自動生成應用蓬勃成長。其中,以大量自動化產製、內容品質較低且重複性高之影音內容,逐漸形成所謂「AI Slop」現象。由於生成式影音模型需仰賴高效能圖形處理器(Graphics Processing Unit, GPU)、大型資料中心及冷卻系統支援,其背後伴隨可觀之能源消耗、水資源使用及溫室氣體排放。然而,目前相關研究多聚焦於人工智慧技術效能與商業應用,對於AI Slop內容生成所衍生之環境衝擊探討仍相對有限。
    本研究以生命週期評估(Life Cycle Assessment, LCA)方法為基礎,探討AI Slop影片生成過程之能源消耗與環境衝擊。研究以生成30秒AI Slop影片作為功能單位(Functional Unit),建立涵蓋上游能源供應、中游模型運算與資料中心運作,以及下游資料傳輸與內容發布之系統邊界,並蒐集公開文獻、產業報告及資料庫資訊建構生命週期盤查(Life Cycle Inventory, LCI)資料。透過LCA軟體進行環境衝擊分析,評估其全球暖化潛勢(Global Warming Potential, GWP)、能源消耗、水資源使用及其他相關環境衝擊指標,並進一步執行敏感度分析與不確定性分析,以驗證研究結果之穩健性。
    研究結果顯示,以30秒AI Slop影片為功能單位,其碳排放量約為0.35 kg CO₂e,於18項ReCiPe環境衝擊指標中,以氣候變遷(Climate Change)、化石資源耗竭(Fossil Resource Scarcity)及人類毒性(Human Toxicity)等類別較為顯著。於18項ReCiPe環境衝擊指標中,以氣候變遷(Climate Change)、化石資源耗竭(Fossil Resource Scarcity)及人類毒性(Human Toxicity)等類別較為顯著。
    熱點分析結果顯示,GPU運算為AI Slop影片生成過程中最主要之環境熱點,其環境衝擊貢獻約占整體系統之58%;其次為資料中心冷卻系統,約占整體環境衝擊之24%,顯示運算需求與能源供應效率為影響環境衝擊之關鍵因素。
    敏感度分析結果顯示,AI模型運算量為影響環境衝擊結果之最主要因子。當模型運算需求增加20%時,碳排放量約增加26%;反之,當運算需求降低20%時,碳排放量約下降22%。此外,電網排放係數及GPU能耗亦對最終結果具有顯著影響。
    不確定性分析結果顯示,30秒AI Slop影片之碳排放量呈近似常態分布,主要集中於0.25至0.47 kg CO₂e之間,平均值約為0.36 kg CO₂e,顯示本研究評估結果具有良好穩定性與可信度。

    本研究證實AI Slop內容生成雖具有便利性與低成本特性,但其背後仍伴隨能源消耗及環境負荷。未來研究可進一步納入不同AI模型、資料中心區域配置及設備生命週期等因素,以提升人工智慧環境衝擊評估之完整性與準確性。;In recent years, the rapid advancement of Generative Artificial Intelligence (Generative AI) has significantly accelerated the development of automated content creation, including text, images, audio, and videos. Among these applications, a phenomenon known as “AI Slop” has emerged, referring to large quantities of low-quality, repetitive, and automatically generated content. The generation of AI-based video content relies heavily on high-performance Graphics Processing Units (GPUs), large-scale data centers, and cooling systems, resulting in considerable energy consumption, water usage, and greenhouse gas emissions. However, existing studies have primarily focused on the technical performance and commercial applications of AI, while limited attention has been paid to the environmental impacts associated with AI-generated content, particularly AI Slop videos.
    This study applies the Life Cycle Assessment (LCA) methodology to evaluate the energy consumption and environmental impacts of AI Slop video generation. A 30-second AI Slop video was defined as the functional unit (FU). The system boundary includes upstream energy supply, core processes involving AI model inference and data center operations, as well as downstream data transmission and content distribution. Life Cycle Inventory (LCI) data were compiled from publicly available literature, industry reports, and environmental databases. Environmental impacts were assessed using LCA software, including Global Warming Potential (GWP), energy consumption, water use, and other environmental impact indicators. Sensitivity analysis and uncertainty analysis were further conducted to evaluate the robustness of the assessment results.
    The results indicate that the environmental impacts of AI Slop video generation are primarily associated with AI model inference and data center operations. GPU computation and cooling systems were identified as the major environmental hotspots. Although the environmental burden of a single AI-generated video is relatively limited, the cumulative impacts could become significant due to the large-scale generation and dissemination of AI content. In addition, factors such as electricity generation mix, data center energy efficiency, and AI model complexity were found to substantially influence the overall environmental performance.
    This study establishes a quantitative assessment framework for evaluating the environmental impacts of AI Slop video generation and provides a foundation for future research on sustainable AI development. The findings may serve as a reference for AI service providers, data center operators, and policymakers in developing energy management strategies, carbon disclosure mechanisms, and sustainability-related policies, thereby promoting a balance between technological innovation and environmental sustainability.
    顯示於類別:[環境工程研究所碩士在職專班] 博碩士論文

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