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The number of human-made existential risks has ballooned, but the most pressing one is the original: nuclear war. The Doomsday Clock shows 100 seconds to midnight on January 20, 2022. Bryan Walsh ...

Still, Russia and the U.S. control 90 percent of the world’s nuclear weapons, so any talk of a nuclear attack raises questions no one has seriously been asking since the end of the Cold War.

For a global nuclear war (150 Tg), changes in ocean temperature to the Arctic sea-ice are likely to last thousands of years—so long that researchers talk of a “nuclear Little Ice Age.” Because of the dropping solar radiation and temperature on the ocean surface, marine ecosystems would be highly disrupted both by the initial perturbation ...

Over the past six months, the world has edged closer to nuclear war than it has been since the Cuban Missile Crisis. The Doomsday Clock is ticking toward midnight. The global power balance has ...

The U.S. nuclear target map is an interesting and unique program unlike other nuclear target maps because it lets you pick the target and what size nuclear device that the area you chose is hit with and then shows the likely effects and range of damage and death that would be caused by that nuclear device if it hit and detonated on your chosen ...

And this is far different from China’s historic view on nuclear weapons, is that it only needed the minimum number to try and deter major nuclear attack, maybe 50 or 100 or so nuclear weapons ...

Nuclear weapons held by other states were not used in this scenario, which has a 440-Mt explosive yield, equivalent to about 150 times all the bombs detonated in World War II. This full-scale nuclear war was estimated to cause 770 million direct deaths and generate 180 Tg of soot from burning cities and forests.

March 23, 2022. Saved Stories. W orld War III, this time with multiple nuclear-armed states. That’s the nightmare scenario haunting many people as Russia’s horrific war on Ukraine metastasizes ...