Nuclear Darkness

Reduced growing seasons 3 years post conflict after 50 million tons of smoke enter stratosphere

Change in the growing season - Northen Hemisphere
Change in the growing season - Southern Hemisphere
Reproduced/modified by permission of American Geophysical Union.
Change in growing season (the period of frost-free days) in the third year after a large U.S.-Russian nuclear war causes 50 millions tons of smoke to enter the stratosphere.