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Stories Stories Technology Only 100 nuclear bombs needed to cause catastrophe around the world

Only 100 nuclear bombs needed to cause catastrophe around the world New

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Written by jonathan     June 14, 2018    
 
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Nations with huge nuclear arsenals are wasting their money because just 100 missiles would be enough to destabilise the globe and kill their own citizens, scientists have said.

Britain currently possesses approximately 215 warheads of around 15,000 worldwide, the vast majority of which are American or Russian.

But researchers have determined that no nation could fire more than 100 without causing a chain of events so catastrophic the impacts are felt at home.

In the first such exercise of its kind, scientists analysed the “environmental blow-back” of a one-way but massive nuclear strike.

Based on models including those of burnable materials in cities, they calculated the amount of soot and dust that would be thrown into the air by the blasts, the consequent blotting of the sun and damage to the atmosphere.

They found that the “nuclear autumn” of such destruction would damage agricultural output by up to 20 per cent, enough to affect widespread food shortages even on the other side of the world.

Complete denucliarisation

The concept of nuclear deterrence has traditionally included the doctrine that the bigger the arsenal, the less likely an adversary is to attack.

However, the authors at Michigan Technological University and Tennessee State University say there is no “pragmatic” reason for any nation to maintain more than 100.

Published in the journal Safety, the study follows the historic Singapore summit between President Trump and Kim Jong Un, where both leaders pledged the “complete denucliarisation” of the Korean peninsula.

There are nine official nuclear weaponised nations: the U.S., Russia, the UK, France, China, India, Pakistan, Israel and North Korea.

Britain’s nuclear deterrent consists of at least one of four nuclear-armed submarines being at sea and ready to launch at any time.

Although both the Conservative and Labour Parties are officially committed to renewing Trident, Jeremy Corbyn has expressed a preference to scrap it.

Under the disarmament proposed in the the new study, the total number of warheads globally would drop to 900 or fewer.

Professor Joshua Pearce, one of the authors, said: “With 100 nuclear weapons, you still get nuclear deterrence, but avoid the probable blowback from nuclear autumn that kills your own people."

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