发行时间：2020.01.23
总页数：108
编辑：
综保科技
摘要：
changes in the arctic: background and issues for congress
updated january 23, 2020
congressional research service https://crsreports.congress.gov r41153
changes in the arctic: background and issues for congress
summary
the diminishment of arctic sea ice has led to increased human activities in the arctic, and has heightened interest in, and concerns about, the region’s future. the united states, by virtue of alaska, is an arctic country and has substantial interests in the region. the seven oth...
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