Global Dimming Definition?

Answer

Global dimming involves reduction of heat reaching the earth. It occurs when clouds reflect the sun's rays back to space. This is being caused by use of fossil fuels, which also contribute to global warming.
1 Additional Answer
Global dimming has been occurring over the past few decades. This caused because air pollution has been building up causing the intensity of the sun reach Earth's surface to be diminished.
Q&A Related to "Global Dimming Definition?"
It's the gradual reduction in the amount of global direct irradiance at the Earth's surface that was observed in the past for several decades after the start of systematic measurements
http://answers.ask.com/Science/Nature/what_is_glob...
Global dimming. is a decrease in the amount of sunlight landing on earth that was measured between 1950 and 1990. It was caused by pollutants (particulates' like sulphate aerosols
http://wiki.answers.com/Q/What_is_global_dimming
Fossil fuel use, as well as producing greenhouse gases, creates other by-products.
http://www.chacha.com/question/what-are-causes-of-...
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Global dimming is caused by air pollution from burning charcoal, oil and wood, carbon dioxide emissions, green house emissions and other pollutants. ...
Global dimming is the reduction in the amount of direct irradiance at the earth's surface. It was observed for several decades after the start of the systematic ...
Global dimming is the steady reduction in the amount of global direct irradiance. The effects vary but usually during the daytime, there is normally a cooling ...
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