Nuclear winter

Hypothetical climatic effect of nuclear war Pyrocumulonimbus cloud formed by the firestorm following the atomic bombing of Hiroshima, 1945. Nuclear winter effects are triggered by at least a hundred such city firestorms. Nuclear weapons Background Nuclear explosion History Warfare Design Testing Delivery Yield Effects Humanitarian Workers Ethics Arsenals Target selection Arms race Blackmail Deterrence Espionage No first use Proliferation Disarmament Sharing Strategy Terrorism Umbrella Opposition Winter Pax Atomica Nuclear triad Nuclear-armed states NPT recognizedUnited States Russia United Kingdom France China OthersIndia Israel (undeclared) Pakistan North Korea FormerSouth Africa Belarus Kazakhstan Ukraine vte Part of a series onPollutionAir pollution from a factory Air Acid rain Air quality index Atmospheric dispersion modeling Chlorofluorocarbon Combustion Exhaust gas Haze Household air pollution Global dimming Global distillation Indoor air quality Non-exhaust emissions Ozone depletion Particulate matter Persistent organic pollutant Smog Soot Volatile organic compound Biological Biological hazard Genetic Illegal logging Introduced species Invasive species Digital Information Ef