Hektor Gala
Hektor Gala voted up Walt O'Reagun's answer

Soul Fly gives a good example of a natural disaster.

A "man made" cause would be widespread use of EMP.  A few devices set off in orbit would have the same effect.

And without electricity, I don't doubt there would be widespread death in developed/industrialized nations. 

Just the lack of air conditioning in the summer, or … Read more

Hektor Gala
Hektor Gala voted up Walt O'Reagun's answer

Soul Fly gives a good example of a natural disaster.

A "man made" cause would be widespread use of EMP.  A few devices set off in orbit would have the same effect.

And without electricity, I don't doubt there would be widespread death in developed/industrialized nations. 

Just the lack of air conditioning in the summer, or … Read more