원문출처 : https://www.cnn.com/2019/07/06/opinions/nuclear-war-climate-change-2020-opinion-helfand/index.html
2019.07.08 12:05
Ira Helfand: Climate change isn't our only big existential threat
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원문출처 : https://www.cnn.com/2019/07/06/opinions/nuclear-war-climate-change-2020-opinion-helfand/index.html
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