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現在の世界的努力は,温暖化を1.5°Cに制限するには不十分である
H Damon Matthews1, Seth Wynes1
1Department of Geography, Planning and Environment, Concordia University, Montreal, QB, Canada.
まとめ
地球の気温は人間の活動によって 1.25°C上昇しました 現在の気候政策とゼロ目標では 1.5°Cの温暖化限界を満たすには不十分であり,政治的,社会的変化が必要である.
科学分野:
- 気候科学
- 環境政策
- 社会 の 変化
背景:
- 地球の気温は既に人間の活動によって 1.25°C上昇しています
- 現在の排出量の軌跡は,10年以内に1.5°Cの温暖化値が 超えられる可能性を示しています
- 二酸化炭素排出量の減速と国家目標の強化にもかかわらず,現存する世紀中期の純ゼロ目標は,温暖化を1.5°Cに制限するには不十分である.
研究 の 目的:
- 1.5°Cの地球温暖化限界を達成する可能性を評価する.
- 1.5°Cに適合する経路への適合を妨げる主な障壁を特定する.
- 政治的・技術的なシステムの惰性の克服に必要な条件を評価する.
主な方法:
- 地球温度のデータと排出量の軌道を分析する.
- 現在の国家排出目標と世紀半ばの純ゼロ目標の見直し
- 気候変動対策に影響を与える政治的,技術的,社会的要因の評価
主要な成果:
- 1.5°Cへの道を阻む主な障害は 地質物理的な制限ではなく 政治的・技術的な慣性です
- 現在の純ゼロ目標は1.5°Cの温暖化限界を超えることを防ぐには不十分です.
- 社会的な変化と共に 政治的,企業的なリーダーシップが 必要なのです
結論:
- 地球温暖化を1.5°Cに制限するには 政治的・技術的なシステムの惰性の克服が必要です
- この目標を達成するには 強力なリーダーシップと システムとライフスタイルの変化の必要性を 広く認識する社会が必要です
- 現在の世界的な1.5°C目標へのコミットメントは,利用可能な証拠に基づいて不十分である.
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