The era of high-connectedness and convergence has come to us. When Corona ends, it will open 'globality'. Then, the end of Corona needs the fundamental factors of convergence: connection, participation, openess and sharing. Among them, high-connection is very important. Because there are lots of problems to solve globally. Particularly, climate change is becoming one of the biggest concern now. We have to solve climate change-related problems. For this, cooperation between countries is becoming important. Covid-19 gave us a lot of things to do. Many people are beginning to become interested in our environment now. According to some experts on climate, Like this, in three hundred years, the Earth will be destroyed. The resaons for this are these: global warming, climate change, forest fire, flood, pandemic and drought. We will face serious crises in the future.. According to a CNN news report, because of incapable Brazil's President, 3.3 million football stadiums-sized the areas of jungles of Amazon have disappeared. The Earth is crying seriously!