研究指出,美国28个城市中的芝加哥沉没;有29,000座建筑物面临水损坏的危险。
Chicago among 28 U.S. cities sinking; 29,000 buildings at risk of water damage, study says.
美国航天局支持的一项国防部研究显示,芝加哥是美国28个主要城市之一,每年以超过2毫米的速度沉没。
A Department of Defense study, supported by NASA, reveals that Chicago is one of 28 major US cities sinking at a rate of over 2mm per year.
研究估计全国有29 000座建筑物,包括许多在芝加哥的建筑物,面临严重水损坏的风险。
The research estimates 29,000 buildings across the country, including many in Chicago, are at risk of severe water damage.
专家们建议改造这些建筑物,提高公众对这一问题的认识。
Experts recommend retrofitting these buildings and raising public awareness to address the issue.