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The impact of individual actions, motivations and knowledge on reducing consumption-based greenhouse gas emissions

個人の行動、動機、知識が消費ベースの温室効果ガス排出削減に与える影響 (AI 翻訳)

Vilma Halonen

LUTPub (LUT University)ジャーナル2026-05-22#政策
原典: https://lutpub.lut.fi/handle/10024/172027

🤖 gxceed AI 要約

日本語

本論文は、個人の行動や意思決定が消費ベースの温室効果ガス排出削減に与える影響を分析した。2021～2024年の調査とモバイルアプリデータを用い、個人の排出削減ポテンシャル、実施されている気候行動とその動機、および気候行動の効果に関する知識レベルを評価。結果、個人は気候行動への意欲があるが、多くの行動は効果が低く短期間に限られていること、行動の効果を評価する知識が不足していることが示された。行動変容と技術革新の両立の重要性を強調し、政策への示唆を提供する。

English

This dissertation analyses the role of individual behaviour in reducing consumption-based GHG emissions using survey and mobile app data from 2021–2024. It finds that while individuals are willing to act, their current efforts are mostly low-impact, short-term, and limited to easy actions. A lack of carbon footprint knowledge hinders effective action. The study highlights the need for policy support alongside behavioural change.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本の家庭部門の排出削減において、個人の行動変容の重要性が認識されている。本論文は、消費ベース排出の観点から、個人の行動の効果と知識不足の実態を定量的に示しており、日本におけるカーボンフットプリント表示や行動促進策への示唆を与える。

In the global GX context

This paper advances the understanding of the emissions reduction potential of voluntary individual actions, a key component of IPCC demand-side mitigation pathways. Its integrated approach using survey and app data can inform global campaigns like the UN ActNow.

👥 読者別の含意

🔬研究者:Use this as evidence on the effectiveness of individual actions and the knowledge gap; consider its analytical approach for your own studies on consumption-based emissions.

🏢実務担当者:Could inform consumer engagement programs and carbon footprint communication strategies.

🏛政策担当者:Use findings to design policies that support high-impact behavioral changes and improve carbon literacy.

📄 Abstract（原文）

Limiting global warming to 1.5 ℃ requires rapid, systemic and sustainable changes across all sectors within this decade. Current climate policies primarily emphasize the role of technological innovations and decarbonization measures, while paying limited attention to behavioural change. The aim of this dissertation is to enhance the understanding of the role and impact of individual behaviour and decisions on the reduction of consumption based greenhouse gas (GHG) emissions. This dissertation assesses the greenhouse gas emissions reduction potential of voluntary individual actions, examine the climate actions implemented by individuals and the motivations behind them, and evaluate the level of knowledge among individuals regarding the effectiveness of personal actions in mitigating climate change. This dissertation consists of four publications based on quantitative data from surveys and a mobile application combined with GHG emissions calculations from 2021–2024. To evaluate the impact of individual behaviours on consumption-based GHG emissions, survey and mobile data on consumption patterns, carbon footprint knowledge, and the willingness to act are analysed alongside individual GHG emissions data. The scientific contribution of this dissertation lies in its analytical approach, which integrates survey based consumption data with carbon footprint assessments and GHG emissions reduction calculations. The findings demonstrate the importance of both behavioural change and technological development in terms of achieving sufficient GHG emissions reductions. Individuals are willing to implement climate actions, but their current efforts are mostly low-impact, inadequate and limited to short-term actions. Actions which are perceived as easy and requiring minimal or little lifestyle changes remain the most common. Individuals have challenges to assess the effectiveness of climate actions due to a low level of carbon footprint knowledge, highlighting the need for increased awareness of the climate impact of different actions. A transition to sustainable lifestyles demands not only individual engagement but also policy support. The findings provide insights for shaping future climate mitigation policies toward behavioural perspectives and clarifying the role of individuals in enabling a low-carbon future.

🔗 Provenance — このレコードを発見したソース

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gxceed は公開メタデータに基づく研究支援データセットです。要約・翻訳・解説は AI 支援で生成されています。 最終的な解釈・検証は利用者が原典資料に基づいて行うことを前提とします。