According the IPCC, has human activity already increased global average temperatures?
Yes, it is true that according to the intergovernmental panel on climate change (IPCC) fifth assessment report human emissions and activity has increased global average temperature almost 100%.
This is because due to human activity in the air the portion of chloro fluoro carbon, corbon dioxide and another toxic gases has caused depletion of ozone layer.
Since there is more quantity of corbon dioxide in the atmosphere, so the temperature has increased.
Hence the given statement of IPCC is correct.
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