President Biden is hosting a two-day virtual summit of world leaders to address the global climate crisis. He committed the United States to reducing its greenhouse gas emissions by 50%-52% below its 2005 emissions levels by 2030.
원문출처 : https://www.cnn.com/videos/politics/2021/04/22/joe-biden-climate-change-summit-earth-day-vpx.cnn
원문출처 : https://www.cnn.com/videos/politics/2021/04/22/joe-biden-climate-change-summit-earth-day-vpx.cnn