卡内基国际和平基金会：2025年保障美国关键矿产供应链安全研究报告（英文版）

U.S. President Donald Trump’s administration has prioritized building a secure critical minerals supply chain to create economic prosperity and geopolitical leverage. This strategy centers on streamlined permitting, legislative support via the One Big Beautiful Bill Act (OBBBA), and protective tariffs, including a planned 50 percent tariff on copper announced for summer 2025.However, a purely domestic approach will face severe constraints. First, the United States does not have the necessary