do all 50 we are what we do, "change the world for a fiver" things

Action 47: Buy a copy of this book for a friend
Action 06: Take public transport when you can
Action 13: Recycle your mobile phone
Action 21: Turn off unnecessary lights
Action 30: Bake something for a friend
Action 40: Join something (I joined greenpeace :))
Action 48: Send them a suggestion
Action 15: Register online as an organ donor.
Action 31: Turn off the tap whilst brushing your teeth.
Action 46: Use both sides of every piece of paper.