The way you define "rich", yes it is possible for everyone to be rich but not equally so. So everyone will have access to food but maybe not everyone can have access to organic food or access to their own personal chef. read more
Well if you ask mother nature, the answer is a bland NO. Some nations have more oil, some are rich in minerals, some have good plantation conditions and so on. read more
Not right now, but some people think that more tech means more abundance for everyone, until all countries are rich. The Path to Abundance This page may be out of date. read more
Rich here being used to define a typically north american or western household, and poor by comparison being about the other 90% of people on the planet. The answer to this question is a most resounding no. read more