Sustainability of life form on the earth is a major concern of every nation, which stems from the continued global warming trend, which has become a major policy, political, and economic issue. Global warming is the most important challenge thrown by the human activities largely due to rapid pace of industrialization in the twenty first century. The impact is likely to extend to next few centuries and unless controlled there would be irrevocable damage to the life form on this planet. Human made halocarbons have a high global warming potential, and some still have the potential to cause damage to the ozone layer as well if released to the atmosphere. The implications of global warming have far-reaching effects beyond the imagination of common person. Rise in global temperature, rise in sea level, food shortages, large scale spread of diseases & infections, catastrophic economic consequences and colossal loss of bio-diversity are some of the major implications of global warming trend. Although many methods are in vogue for comparison of impact of global warming of different compounds, yet the concept of Global warming potential with reference to Carbon dioxide is the simplest one and is widely used. An endeavor has been made in this paper to correlate and develop empirical relations of global warming potential and atmospheric lifetimes of Halocarbons. A new parameter Glife has been evolved for this purpose.

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