Nuclear Darkness
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Global temperatures 1 year after 50 million tons of smoke enter stratosphere

reduced temps after war with 50 million tons of smoke
Reproduced/modified by permission of American Geophysical Union.
Temperature changes in summer (°C) following a large nuclear war

Predicted surface air temperature changes following a nuclear war which caused 50 million tons of smoke to rise into the stratosphere, above cloud level, and massively block sunlight from reaching the Earth. Temperatures are averaged for June, July, and August of the year of the smoke injection.