2022 https://books.google.com/books?hl=en&lr=&id=QN51EAAAQBAJ&oi=fnd&pg=PA170&dq=catastrophe%7Ccatastrophic%7Cexistential%7Capocalypse%7Cdoomsday%7C%22end+of+the+world%22+bioengineering%7C%22ai%22%7C%22artificial+intelligence%22%7C%22nuclear+weapons%22%7C%22nuclear+war%22%7C%22biological+weapons%22&ots=7_rWJflnm-&sig=o8XV8PlGQwleuqbdDn5FCX90_KI Book chapter