Resources

Solar storms
https://earthsky.org/space/are-solar-storms-dangerous-to-us
Nuclear weapon
https://en.m.wikipedia.org/wiki/Nuclear_weapon
Radiation
https://en.m.wikipedia.org/wiki/Radiation
War
https://www.britannica.com/topic/war
Overpopulation
https://en.m.wikipedia.org/wiki/Human_overpopulation#Current_population_dynamics,_and_cause_for_concern
Diseases
https://www.cdc.gov/diseasesconditions/index.html
Stupidity
https://qz.com/967554/the-five-universal-laws-of-human-stupidity/