Global warming has become the greatest threat for human beings and its environment. Global warming is the increase in the temperature level in the oceans, earth and the atmosphere. The main cause of global warming is the emission of greenhouse gases . 72% of the totally emitted greenhouse gases is carbon dioxide (CO2), 18% Methane and 9% Nitrous oxide (NOx). Carbon dioxide emissions therefore are the most important cause of global warming.It also causes many hazardous effects to the environment as if this continues further it would increase of temperature on the earth by about 3° to 5° C (34° to 41° Fahrenheit) by the year 2100. Furthermore, researchers have estimated the sea level would rise by at least 25 meters by the year 2100. The also makes it clear that while poor people worldwide will suffer most from the effects of global warming, no person on Earth will escape its consequences. The effects of global warming will be felt in every region and at all levels of society.
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