This paper would mainly be on how the definition of 'Global Warming' could be characterized and discussed. The timely topic of global warming has triggered many nations and many are on discussion of the matter. All most all major industrial nations are now concerned about their effect to the environment. This came about in the early 70's as many major industries bloomed with the open economic expansions. United States, China, Soviet Union, Japan and Korea were the leading industrial nation that came forward with the study of global warming. United States mastered the studies with advancement in technology, space and health. The first study of global warming and its effects came to the public awareness in the 1980's as the electronic media took over the world. People started worrying about the warming and many protests came forward by several health and environmental agencies.
United State's Environmental Protection Agencies (EPA), World Wildlife Fund (WWF), National Oceanic and Atmospheric Administration and Natural Resources Defense Council are some of the key agencies that are researching about this issue. Depletion of ozone layer, warming of glaciers, change in sea water currents, change in climate, acid rain