"The global temperature dropped between one and three degrees Celsius. It was the coldest year in at least the last 250 years ... led to crop failure, the death of livestock and famine."
Uh………yeah that will happen when the largest volcanic eruption in recorded history happens and blasts 10 cubic miles of material into the atmosphere, which you conveniently forgot to mention. Your example has 0 relevance to climate change.
https://www.cnn.com/2019/09/17/world/tambora-eruption-year-w...
"The global temperature dropped between one and three degrees Celsius. It was the coldest year in at least the last 250 years ... led to crop failure, the death of livestock and famine."