Impurity: incomplete combustion Polycyclic aromatic hydrocarbons Mutagens: known human carcinogens Dreaded combination of fusion and fission Aerosol: airborne contaminants Stratosphere blackened by carbon agglomerates Explosion: plutonium implosion Final fissioning of depleted uranium Fallout: radioactive dust No shelter secure from the noxious mist Winter: lack of sunlight Oxygen lost in the infinite night