"Echo of Moscow". 10:55:10
Over the past half-century on Earth was much darker. This conclusion was made by U.S. scientists. As the global dimensions, from the late 50's to early 90's the amount of sunlight reaching the earth is reduced by 10%, and in some regions of the darkened even more. The researchers say that the reason the pollution. However, the imminent onset of "eternal night" they do not predict.