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Why is there an increase in global temperature?

Answer»

According to an ongoingtemperatureanalysis conducted by scientists at NASA's Goddard Institute for Space Studies (GISS),theaverageglobal temperatureon Earth hasincreasedby about 0.8° Celsius (1.4° Fahrenheit) since 1880. ...The global temperaturerecord represents an average overtheentire surface oftheplanet.



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