Global cooling is a process of gradual cooling of the Earth. Hypothesis, which postulates a global cooling of the Earth’s surface and its atmosphere until its glaciation.
Hypothesis never had significant scientific support, but in its favor say some publications in scientific and popular scientific press about the cyclical ice ages and the trend decline in average temperature, observed from the 1940s to the 1970s.
Now more common in academic circles is the hypothesis of global warming is increasing the earth’s temperature, due to man-made human activities.
According to researchers, the