| Type | Alternate reality |
| Causes | Catastrophic solar flares • Uncontrolled greenhouse gas emissions |
| Effects on planet | Weakened radiation protection • Decline of ecosystems • Technological and cultural adaptations |
| Technological solutions | Radiation shielding • Advanced greenhouse gas filtration • Space program development |
| Behavioral/cultural adaptations | Indoor living • Radiation-resistant infrastructure • Adaptive agriculture techniques |
