Not that long ago (2000 years) the Earth's climate was warmer than it is today: https://www.newscientist.com/article/dn22040-tree-rings-suggest-roman-world-was

Not that long ago (2000 years) the Earth's climate was warmer than it is today: https://www.newscientist.com/article/dn22040-tree-rings-suggest-roman-world-was-warmer-than-thought/ https://www.newscientist.com/article/dn22040-tree-rings-sugg... The Romans did just fine. From the link: "In fact, it shows that human CO2 emissions have interrupted a long cooling period that would ultimately have delivered the next ice age." You know what...the Earth's climate has changed multiple times and we're still here. So the alarmist attitude that we're all going to die is not warranted IMHO.