How long can our civilization flourish? Will our civilization remain thousands of years hence? During the Cold War the greatest threat to humans was nuclear annihilation, but today it is the environmental problem. Many people are afraid that global warming might collapse our civilization. In 1997, COP3 adopted the Kyoto Protocol to reduce greenhouse gas emissions, but the U.S. and Australia have declined to ratify the agreement. It has turned out a failure. On this page, I analyze the problems of the Kyoto Protocol and propose an alternative feasible framework that reduces greenhouse gasses.
Today, mainstream scientists recognize global warming as a challenge for our civilization, while skepticism persists. There are various types of skepticism, but we can classify them into three categories: skepticism about the trend of global warming, its anthropogenic causes, and the assessments of its impacts. Here, I would like to examine these three issues about global warming: facts, causes, and assessments. I will then consider how we should deal with global warming.