Ocean damage nearly doubles the cost of climate change
摘要
加州大学圣地亚哥分校斯克里普斯海洋研究所的研究表明,温室气体排放造成的全球经济损失几乎是此前科学家预估的两倍。这是首次在碳的社会成本评估中纳入对海洋的损害,全球珊瑚损失、渔业中断和沿海基础设施破坏预计每年造成近2万亿美元损失,从根本上改变了气候成本的衡量方式。
The global cost of greenhouse gas emissions is nearly double what scientists previously thought, according to a study published Thursday by researchers at the University of California, San Diego’s Scripps Institution of Oceanography.
It is the first time a social cost of carbon (SCC) assessment—a key measure of economic harm caused by climate change—has included damages to the ocean. Global coral loss, fisheries disruption, and coastal infrastructure destruction are estimated to cost nearly $2 trillion annually, fundamentally changing how we measure climate finance.
“For decades, we’ve been estimating the economic cost of climate change while effectively assigning a value of zero to the ocean,” said Bernardo Bastien-Olvera, who led the study during his postdoctoral fellowship at Scripps. “Ocean loss is not just an environmental issue, but a central part of the economic story of climate change.”
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