‘What we put in is what we get out’ I told my young son. “so why does everyone put so much rubbish into the world?” he replied. ‘that’s not what I meant’ I laughed back and he looked at me with serious eyes and said “well maybe you should have” and as he went out to play I realised that I am building the world in which he has to live, on which he has to rely … maybe he is right … maybe I should be more aware of what I am putting in …