There are many and complex reasons that affect climate change in a region for a long time or a certain period of time. People still can not accurately explain the impact of various factors on climate change. However, it can be asserted that even today, even with the development of human society, natural factors are still the leading factors affecting climate. Human activities are still not enough to affect the basic attributes of regional climate, Not enough to 51 glacial or interglacial and other huge climate change.
intended to illustrate that:
The climate of a region is the result of the joint action of many factors