Okay, here’s another one of those articles which I am recommending that is over at the Wall Street Journal. Unfortunately you will need either a subscription to the Journal online or you can hop on down to your local library and look for the Review Section of the March 11-12 weekend edition page C4.
The article is entitled “Why Is the Ocean Blue? We know that water is transparent and colorless, so what accounts for its color? Think of it as a big game of molecular pinball” by Helen Czerski. Another option however would be to check out her book Storm in a Teacup: The physics of everyday life , which came out last year. I just requested it myself.