The parable of the rich man and Lazarus is one of the most harrowing in the Bible, that is, if it hadn't been softened by spaghetti theology. It's a conversation with a man who's burning in hell.
Abraham experienced the first of 3 generational famines. It caused he and Sarah to go to Egypt. This is very symbolic and it's usually used to picture the bad decisions that we make when we are walking by sight, not by faith.
God used famines in the lives of Abraham, Isaac and Jacob to test their faith. It indicates that the climate was unstable, or cyclical, with periods of warming and cooling. There has been a net loss of global ice ever since.
This is Part of Job's response to Bildad. He's talking about tectonic upheaval. He was contemporaneous with Abraham, so only 200 or so years have passed since the tectonic breakup of Pangaea.