According to various predictions by numerous people, including many scientists, the following is a list of problems we humanity as a whole are facing, both now in many places as well as in the future in others. Many of these potential disasters are overdue, and some are already occurring.
- Economic meltdown
- Epidemics
- Super-volcanic eruptions
- Megaquakes
- Tsunamis
- Sea level rise
- Solar flares
- Meteor/asteroid/comet strikes
- Climate change, either runaway global warming and greenhouse effect, or an ice age
- Mass extinction of flora and fauna
- Water shortages
- Drought and desertification
- Crop failures
- Famine
- Pollution
- Nuclear disasters
- Structural meltdown from lack of repair, including highways and other roads, bridges, dams and assorted buildings
- Peak oil
- Battles over resources
- Religious and racial strife
- Etc., ad nauseam