open letter to Tedros from Dr. Behrendt

How do we know whether it is, on average, getting warmer or colder? We have been told the earth is dramatically heating up. On average, the world has heated up 1.1 degrees centigrade[1] (or 2 degrees Fahrenheit) since the 1880s. According to the United Nations, if the increase since 1880 goes above 1.5 degrees centigrade (or less than 1 degree Fahrenheit more,…