A year or two ago Mark Boyle decided that it was time that he lived out the change he wanted to see in the world. For him that meant not just preaching in favour of environmental change, but living it out. He decided to live without money. In this video interview he describes the process he went through to lower his impact on the environment (click on the image).
And here’s another article explaining the process in more detail:
I live without cash, and I manage just fine
(source: The Guardian Online)