Indian and Pakistani politicians frequently raise the spectre of a nuclear war whenever tension between the two arch-rivals escalates.Needless to say, very little thought is given to the great damage nuclear warheads are capable of wreaking when such statements are aired. The impact of such an exchange not just entails great loss of life but also disastrous consequences for the environment.Data Newsroom, an online interactive newsroom, has used eight nuclear bombs from the US, the USSR, North Korea, India and Pakistan and detonated them in two Indian and Pakistani cities each to gauge their impact.This is what they found:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:LAHOREType of bomb:– tiniest US Bomb produced (20t)Estimated fatalities:Type of bomb:(100t)Estimated fatalities:Type of bomb:tested in 2006 (500t)Estimated fatalities:Type of bomb:– Hiroshima Bomb (15kt)Estimated fatalities:Type of bomb:– Nagasaki Bomb (20kt)Estimated fatalities:Type of bomb:(60 kt)Estimated fatalities:Type of bomb:– largest US bomb tested (15 Mt)Estimated fatalities:Type of bomb:– largest USSR bomb tested (50 Mt)Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Type of bomb:Estimated fatalities:Radiation radius (500 rem) – GreenFireball radius- Dark yellowAir blast radius (20 psi) – PinkAir blast radius (5 psi) – GreyThermal radiation radius (3rd degree burns) – Light yellowThis article originally appeared on Data Newsroom