It's almost certain that everyone has experienced a nightmare.  And though it may have been startling, it was not reality.  As we continue our study in Revelation we'll learn that an ecological nightmare will be a reality on the earth, yet there is still a safe haven today.  The Bible says in Psalm 46 "God is our refuge and strength, a very present help in trouble."  If we put our trust in Christ today, we don't need to fear the future.