- It may feel as if the world is ending, but it’s already happened — five times over the planet’s 4.5 billion-year history, to be precise.
- The fires from such a war could release as much as 47 million tons of soot into the atmosphere.
- If the threat of nuclear war isn’t as high as it was during the worst days of the Cold War, it is worse than it has been in years — and any risk of a disaster as horrific as the one outlined in nuclear winter research is too high to endure.
What could a nuclear war do to the climate — and humanity?
