What is global warming ? Discuss it's main causes .
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Global warming is an aspect of climate change, referring to the long-term rise of the planet's temperatures. It is caused by increased concentrations of greenhouse gases in the atmosphere, mainly from human activities such as burning fossil fuels, and farming.
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excessive warming of the earth due to the green house effect is called global warming.
It is caused due to an increase in the amount of greenhouse gases like carbon dioxide.
These gases absorb terrestrial radiation and result in more heat getting trapped on the earth surface.
Indiscriminate cutting down of trees and burning soil of fossils fuels like coal and petrol increase the levels of carbon dioxide in atmosphere and leads to global warming.
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