This was an extremely interesting subject. I live on the west coast of Canada and I had no idea that sand was so vulnerable.We need to make everyone aware of this matter so that we can start to protect the earth from the effects of over mining the sand. I am in shock that the situation has got to this point with the governments keeping it so quiet.Keep up the good work by making this film available to as many viewers as possible. The subject deserves all the attention you can give it.There seems to be a blind spot as to the consequences that depletion of this very valuable material will have on earth. Not to mention the small islands that cannot support life after the affects