- Alien Invasion
- Antarctica Collapse
- Asteroid Strike
- Automation Economy
- Chemical Attacks and Accidents
- Climate Change
- Coronal Mass Ejections
- Derecho
- Direct Air Capture
- Drone Strikes and Swarms
- Earthquakes
- EMP attack
- Engineering Disasters
- Global Warming
- Gray Goo
- Gulf Stream
- Hurricanes and Typhoons
- Locusts
- Mass Extinction
- Nuclear Bombs
- Ocean Acidification
- Opioid Crisis
- Overfishing
- Pandemics and Biological Attacks
- Power Grid Attack
- Rainforest Collapse
- Relativistic Kill Vehicle
- Robot Takeover
- Sea Level Rise
- Supervolcanoes
- Tsunamis
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