The End Of The World

This book is about the last few known accounts of a few survivors of the "End". Theres only 2 though. Out of 7 billion. So the 2 thought that everyone had died but no. People were alive they were just spread across the world. The five events that will happen is
1: Huge blizzard
2: No Power
3: No Food
4: Disease
5: Loss Of Government
6: End