To get a full grasp of climate change, you need to take a geological perspective. Wind the clock back all the way through human history, past the Romans and through the Stone Age, to the time before modern humans evolved, and our ape ancestors roamed in Africa.
원문출처 : https://www.cnn.com/2019/01/25/opinions/climate-change-getting-worse-intl/index.html
원문출처 : https://www.cnn.com/2019/01/25/opinions/climate-change-getting-worse-intl/index.html