Quote: The earth has been in an interglacial period known as the Holocene for more than 11,000 years. It was conventional wisdom that the typical interglacial period lasts about 12,000 years, but this has been called into question recently. – Wikipedia
Climate alarmists are primarily concerned that man’s activities will result in Catastrophic Anthropogenic Global Warming (CAGW). They appear to have missed the big picture.
Global atmospheric temperatures as well as atmospheric CO2 have been gradually and erratically falling for significant portions of Earth’s history, but not in unison. Successive ice ages are gradually and unevenly becoming ever colder.
There is evidence that very minor changes in the incidence of sunlight on Earth can and have resulted in plunging Earth and all its living cargo into new ice ages.
Earth is currently in an interglacial period, and based on previous ice ages and the changes in global temperatures during this interglacial period, we are now near the end of it.
The Major Risk
In other words, the major climatic risk is that Earth will plunge into a new ice age, with global temperatures ultimately reaching perhaps 6 to 8°C below current temperatures. The results of such a new ice age would be catastrophic to humans and other life on Earth, including the southward advance of huge ice sheets in the Northern Hemisphere.
Global levels of CO2 during the depths of the last ice age resulted in severe starvation for plants. Plants that die of CO2 starvation cannot provide food for animals, including humans.
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View Alan Carlin’s full post at Carlin Economics and Science – here