Challenges For The Planet:External Factors Affecting Climate Change

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External Factors Affecting Climate Change

Solar Output - energy that comes from the Sun.

Measurements from 1980's showed that the total amount of energy reaching the Earth has decreased by 0.1%. If this continues, temperatures could start to decrease between 0.5 and 1C. 

Sunspots

The activity of sunspots on the Sun's surface affects solar output. There was a period

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