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'''[[Climate change]]''' due to human influence is accepted as scientific consensus, and includes global warming and variations in rainfall patterns. Some areas will become drier, others wetter; most will become warmer, but some may become cooler; ice caps will melt (though how much is unclear) and sea levels will rise. This is expected have devastating effects on vulnerable communities.  
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The study of significant and lasting changes in the weather pattern over a period of decades to periods of millions of years ('''climate change''') has been undertaken since ancient times (around 300 BC). More intresting research however has been undertaken since the 18th/19th century, due to a availability of new instruments that allow better examination of changes in the weather pattern.
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In this article we discuss the rise in the average temperature of Earth's atmosphere and oceans since from the 19th to the 21st century (the current global warming).
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due to human influence is accepted as scientific consensus, and includes global warming and variations in rainfall patterns. Some areas will become drier, others wetter; most will become warmer, but some may become cooler; ice caps will melt (though how much is unclear) and sea levels will rise. This is expected have devastating effects on vulnerable communities.  
    
The overall effect is most accurately termed 'climate change' rather than 'global warming' as there are many changes of concern besides warming, and localized effects are very varied.
 
The overall effect is most accurately termed 'climate change' rather than 'global warming' as there are many changes of concern besides warming, and localized effects are very varied.
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