There are many and complex reasons that affect climate change in a region for a long time or in a certain period of time. So far, people have been unable to explain the impact of various factors on climate change. However, it can be asserted that even with the development of human society, on the whole, natural factors are still the leading factors affecting climate. Human activities are still not enough to affect the basic attributes of regional climate. It is not enough to cause huge climate changes such as glacial period or interglacial period.
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The climate of a region is the result of the joint action of many factors.