Do not spoil food for at least 1 month. Buy only food you will eat and eat everything you bought! February 1 2012
Put little funny and inspiring notes in library books for the next reader. February 1 2012
Don't spend money. Just exchange things, talent, services for everything you need. As long as you can. One week, one month, one year... :) February 1 2012
Find someone who donĀ“t have nothing, and change his life for one month. Try to find a job for him, a place to stay and clean herself, and something to eat. If you can change his life you will change the world February 1 2012
Live during one month without producing any garbage. And document it. February 1 2012