I'm not being sarcastic... I'm being 100% serious... I would like serious answers ONLY please.
Question: If humans are causing Global Warming, who/what caused The Little Ice Age?
http://en.wikipedia.org/wiki/The_Little_Ice_Age
The Little Ice Age (LIA) was a period of cooling occurring after a warmer era known as the Medieval climate optimum. Climatologists and historians find it difficult to agree on either the start or end dates of this period. Some confine the Little Ice Age to approximately the 16th century to the mid 19th century. It is generally agreed that there were three minima, beginning about 1650, about 1770, and 1850, each separated by slight warming intervals.
In the North Atlantic, sediments accumulated since the end of the last ice age, nearly 12,000 years ago, show regular increases in the amount of coarse sediment grains deposited from icebergs melting in the now open ocean, indicating a series of 1-2°C(2-4°F) cooling events recurring every 1,500 years or so.
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