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Expert Perceptions of the Viability and Importance of Solar Geoengineering and Carbon Dioxide Removal in Addressing Climate Change: A Snapshot from India and the United States

気候変動対策における太陽地球工学と二酸化炭素除去の実現可能性と重要性に関する専門家の認識：インドと米国のスナップショット (AI 翻訳)

Ben Kravitz, Landon Yoder, Sangeet Nepal, Nathaniel Geiger, Shahzeen Z. Attari

Sustainability📚 査読済 / ジャーナル2026-06-10#CCUSOrigin: US
DOI: 10.3390/su18125933
原典: https://doi.org/10.3390/su18125933

🤖 gxceed AI 要約

日本語

米国とインドの気候変動専門家63人へのインタビューに基づき、CDRとSGへの認識を調査。CDRへの支持は44%、SGは3%であり、伝統的手法が優先される。

English

Based on 63 interviews with climate experts in the US and India, this study finds 44% support for CDR deployment vs 3% for solar geoengineering, with most experts hesitant about these technologies and favoring mitigation and adaptation.

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

日本ではCCS・CDRの政策議論が進行中だが、本稿は専門家の認識ギャップを示す参考資料となる。

In the global GX context

This paper provides a snapshot of expert opinions on CDR and SG, useful for understanding global perception gaps in climate engineering, though it does not directly address policy or business cases.

👥 読者別の含意

🔬研究者:Highlights the need for deeper interdisciplinary engagement on CDR/SG perceptions among climate experts.

🏢実務担当者:Empty

🏛政策担当者:Offers insight into expert hesitancy toward CDR/SG, relevant for setting research priorities.

📄 Abstract（原文）

Given the enormous span of potential strategies to address climate change, it is difficult to build consensus on what to prioritize. In 2021, we conducted 63 semi-structured interviews with climate change experts in the U.S. (N = 33) and India (N = 30). Experts indicated how they would address climate change through mitigation, adaptation, carbon dioxide removal (CDR), and solar geoengineering (SG). Our experts studied climate change from a variety of disciplines and were not necessarily subject matter experts in CDR or SG. Most experts stated that while more research is needed on CDR and SG, there is low appeal to deploying them in responding to climate change. Across our entire sample, we find that 44% of experts supported deploying CDR compared to 3% for SG. We also find that 17% of experts opposed the deployment of CDR, while twice as many (35%) opposed deploying SG. While there is far more support for traditional measures like mitigation and adaptation, most experts were hesitant to support technologies like CDR and SG to limit warming to 1.5 °C or 2 °C to prevent dangerous climate impacts, with statements tending toward a precautionary principle. Deep interdisciplinary engagement by climate change experts on CDR and SG is essential to understanding these technologies’ potential roles in addressing climate change and the perceptions of risk of these technologies held by experts who work on other areas of the climate problem. We highlight the potential for follow-up studies on broader expert opinions of CDR and SG, as well as evaluating whether perceptions and opinions are lagging behind fast-changing developments in the field.

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