The only way you can enforce a resource based economy is through totalitarianism (at a degree that is probably impossible). Otherwise, people will acquire wealth, and a money will emerge spontaneously.
May I disagree.. If anyone have plenty of anything they want.. greed should disapear by default. The earth have enought to satisfy everyone. The scarcity is a consequence of the actual monetary system, wich enforce this scarcity. For the first time in human history, we have the knowledge and the technology to overcome any sort of scarcity. History cant apply as we've never been so aware and technologicaly able.
We are seeing the begining of a new era, and the past milleniums of "trade" begins to show as possibly obsolete for the next society models..
The trade concept is prehistoric, when we will learn to do better, we may became a civilisation. It's in our value that the shift must materialize.