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Global warming means warming of the earth due primarily to rapid build up in the atmosphere of carbon dioxide and other green house gases. Green house gases are such as carbon dioxide, methane, nitrous oxide and CFC's all of which have warming influence on the world climate. These gases are emitted from millions of industrial smoke stacks, motor vehicles, waste dumps and other sources.
Global warming results in global environmental changes. The probable net results of global warming is climate change at local, regional and global levels. Moreover it has catastrophic adverse effects on man and nature, e.g., deglciations and sea level changes, submergence of island nations, and major coastal lowlands, atmospheric dynamics including evaporation and precipitation, global radiation.
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