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Climate Change and Smog

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Smog commonly referred to as smoke and fog is not only the black particles consisting of soot but is also a great contributor towards global warming according to a recent study. Smog contributes about more than twice as what was expected in early 2007.Smog is usually produced from open fires from forests, crops, grasslands and from energy-related emissions in East Asia and Southeast Asia. The Black Carbon present in smog acts as a shield for the Earth thereby masking the earth that results in warming. Furthermore soot particles affect cloud formation in such a way as to either support cooling or warming effect. Comparatively the Carbon dioxide has a half life of more than 100 years, this black carbon stays in atmosphere though for few days but has a much long lasting effect than carbon dioxide.

Black carbon contributes to climate change in the middle as well as in high latitudes too, including the, Canada, northern United States, northern Asia and northern Europe, affecting rainfall patterns of the Asian Monsoon. Although black carbon is best suited for short term climate change but for a long term commitment carbon dioxide emissions have to be reduced in order to curb the resulting black carbon density in the atmosphere.

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