Here's some good news: when people put their mind to it, they can act on climate.
원문출처 : https://www.cnn.com/2021/02/11/world/ozone-layer-china-emissions-intl-scn/index.html
원문출처 : https://www.cnn.com/2021/02/11/world/ozone-layer-china-emissions-intl-scn/index.html