Yes The Climate Is Changing. No It S Not An Emergency Opinion
For the vast majority of the time that human civilization has existed, temperatures have been significantly warmer than today. More than 30,000 scientists have signed on to a paper saying that we’re not facing a climate emergency. Throughout the history of the earth, a more normal level of carbon dioxide in the atmosphere has been about 1000 parts per million, not the 420 ppm we see today. The fact that carbon dioxide levels are so high, and yet compared to over the past few 100 or few 1,000 years, temperatures are lower than they’ve been throughout most of human civilization, tells you that carbon dioxide is not the control knob for global temperatures....