美国的自然气候解决方案。
Natural climate solutions for the United States.
作者信息
Fargione Joseph E, Bassett Steven, Boucher Timothy, Bridgham Scott D, Conant Richard T, Cook-Patton Susan C, Ellis Peter W, Falcucci Alessandra, Fourqurean James W, Gopalakrishna Trisha, Gu Huan, Henderson Benjamin, Hurteau Matthew D, Kroeger Kevin D, Kroeger Timm, Lark Tyler J, Leavitt Sara M, Lomax Guy, McDonald Robert I, Megonigal J Patrick, Miteva Daniela A, Richardson Curtis J, Sanderman Jonathan, Shoch David, Spawn Seth A, Veldman Joseph W, Williams Christopher A, Woodbury Peter B, Zganjar Chris, Baranski Marci, Elias Patricia, Houghton Richard A, Landis Emily, McGlynn Emily, Schlesinger William H, Siikamaki Juha V, Sutton-Grier Ariana E, Griscom Bronson W
机构信息
The Nature Conservancy, Minneapolis, MN 55415, USA.
The Nature Conservancy, Santa Fe, NM 87501, USA.
出版信息
Sci Adv. 2018 Nov 14;4(11):eaat1869. doi: 10.1126/sciadv.aat1869. eCollection 2018 Nov.
Limiting climate warming to <2°C requires increased mitigation efforts, including land stewardship, whose potential in the United States is poorly understood. We quantified the potential of natural climate solutions (NCS)-21 conservation, restoration, and improved land management interventions on natural and agricultural lands-to increase carbon storage and avoid greenhouse gas emissions in the United States. We found a maximum potential of 1.2 (0.9 to 1.6) Pg COe year, the equivalent of 21% of current net annual emissions of the United States. At current carbon market prices (USD 10 per Mg COe), 299 Tg COe year could be achieved. NCS would also provide air and water filtration, flood control, soil health, wildlife habitat, and climate resilience benefits.
将气候变暖限制在低于2°C需要加大减缓力度，包括土地管理，而其在美国的潜力却鲜为人知。我们量化了自然气候解决方案（NCS）——在自然和农业土地上进行的21种保护、恢复及改善土地管理的干预措施——在美国增加碳储存和避免温室气体排放的潜力。我们发现其最大潜力为每年1.2（0.9至1.6）Pg CO₂e，相当于美国目前年净排放量的21%。按照当前碳市场价格（每Mg CO₂e 10美元），每年可实现299 Tg CO₂e。自然气候解决方案还将带来空气和水过滤、防洪、土壤健康、野生动物栖息地以及气候适应能力等方面的效益。
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