Figure 5. Relationship between incoming solar (blue curve) and outgoing terrestrial (red curve) radiation. The magnitude of the terrestrial radiation is magnified by a factor of 500,000

From

Global Energy Consumption Rates: Where is the Limit?

Oleg P. Dimitriev

Sustainable Energy. 2013, 1(1), 1-6 doi:10.12691/rse-1-1-1