There are different reasons for global warming. According to some scientists, increases in carbon dioxide levels are the cause of global warming.
How does carbon dioxide cause global warming?
Due to CO2 and other greenhouse gases effect, there is global warming. This is mostly when CO2 is soaks up by infrared energy, it is said to vibrates and re-emits the infrared energy back in all directions.
Note that almost half of that energy goes out into space, and also an approximate of the same half of it returns to Earth as heat, thereby leading to the 'greenhouse effect. '
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