Huge brown cloud hanging over the Earth.

<P Align=center> </ P> <P> the help of a series of NASA's latest satellite observations found in southern Asia over the Indian Ocean region and the formation of a huge brown cloud (called "Giant Brown Cloud") ., the cloud will be spread between continental and global scale of the atmosphere. .</ P> <P> a huge brown cloud is seen from the satellite very close to the ground by the ozone, smoke, dust and other pollutants consisting of many very dense, "hodgepodge", which is the product of human civilization. .And the mainland area of large and small about the brown cloud is due to the strong southern and eastern Asia, the industrial and agricultural activity and the formation, but also with a range of other features related to the weather. .</ P> <P> is well known that ozone in the Earth's upper atmosphere to protect us from the intense solar radiation, but high concentrations of ozone near the ground is not only toxic to humans, and harmful to crops. .</ P> <P> now this huge brown cloud over the area have been moved to other neighbors, but most importantly, the cloud contains the ozone will gradually leave the brown cloud, rising to a higher air. .</ P> <P> huge brown cloud of this allows us to better understand the role of ozone pollution, in addition, the scientists pointed out that the ozone in the Earth's lower atmosphere will play the role of greenhouse gases, will further contribute to global .warming. .</ P>.