This may cause huge changes to our civilization, both positive and negative, but the total impact on our society is currently very uncertain. Emissions of carbon dioxide due to our use of fossil energy will change the climate and the temperature is estimated to increase by 2 to 6 o Celsius within year 2100, which is a tremendous increase from our current average temperature of 1.7 o Celsius as predicted by IPCC. The climate change, caused by rising emissions of carbon dioxide from vehicles, factories and power stations, will not only effects the atmosphere and the sea but also will alter the geology of the Earth.
Natural events and human activities are believed to be main contributors to such increases in average global temperatures. Global warming and climate change refer to an increase in average global temperatures.
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