short note on global warming
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Answer:
Global warming is that the long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) thanks to human activities, primarily fuel burning, which increases heat-trapping greenhouse emission levels in Earth's atmosphere.
Global warming is simply the biggest problem these days. It had a huge side effect on the planet , humanity and our future. Global Warming means gradual increase in world’s temperature caused by greenhouse gases. The impact of global warming can be seen in sea level, crops, rainfall, and human health.Massive deforestation, burning of fossil fuels, industrial emissions, etc. have resulted to an increase in greenhouse gases around earth’s atmosphere.
The greenhouse-gases trap Sun rays in the earth’s atmosphere causing the temperature to rise. The heat would have otherwise released if the greenhouse-gases were not present in such huge quantity.