Air pollution is increasing the earth to make 'small', because the sky looks so thick material due to pollution. Distance view of the human sky covered by particles of air pollution.The meteorologist from the University of Maryland, United States, said that conditions have occurred since three decades ago.
As quoted Bloomberg, Friday (2009/3/13), the meteorologist is to gather data about the sky as much from 3250 meteorology station in the world from 1973 in 2007.
"Previously, the average person can see the sky more than now," said representatives of the University of Maryland, Kaicun Wang.
Rare sight to the sky, according to Wang, is the distance of approach between the sky if viewed from the research station. Thickness pollutant in the air makes the sky feels closer.
"Decreasing the distance of approach if the air pollution has been increasingly concerned, and the region's most worrying is the South and East Asia, Africa, Australia, and South America" said Wang.
Increased air pollution is a concern because many have a negative impact in human life. Research based on American Lung Association, air pollution is considered able to trigger asthma, heart attack, and stroke.
