Buy Nothing Day this year is on 24 November.
There are now thousands of ways you can de-monetise every aspect of your life, to whatever degree works in your unique circumstances. In doing so, not only will you drastically reduce your ecological footprint, but you'll also rediscover your sense of interdependency with the rest of your local community and the land under your feet, for if money has come to replace relationships, that's exactly what you'll rediscover.
Read a great article about the concept in Permaculture Magazine