只有一位内阁成员具有自然科学学位——能源部长朱棣文。他在1997年获得了诺贝尔物理学奖，具有物理学的博士学位。
Only one cabinet member has a hard-science degree - Secretary of Energy Steven Chu, who won the Nobel Prize in physics in 1997, has a doctorate in physics.
研究人员提醒说，对于城市来说，这种倡议的可行性还有待观察，但是这个想法曾经得到美国能源部长朱棣文及其他决策者的支持。
The feasibility of such an initiative for cities remains to be seen, researchers caution, but the idea has been backed by U.S. Energy Secretary Steven Chu and other policymakers.
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