While the devastation of a city is bad, the larger asteroids (over 2 km in diameter) would have a worldwide impact. But what sort of impact would they have?
Climate Change is the concern that too much of an increase in the world’s overall temperature will have drastic effects on the climate, serious enough to destroy life.
Projects constructed with sandbags are for short term use because modern sandbags are made of polypropylene and sunlight causes them to start falling apart.
After experiencing a few scenarios involving floods, I can tell you it’s almost surreal how quickly flood waters rise and how powerless it makes you feel.
When SHTF, such as getting stuck in a cave, in an unfamiliar and not very friendly environment, the number 1 thing to worry about is the state of mind.
