AbyssalPlains
Contributor
The NY Times today published the results of a large-scale assessment of how human impact affects the oceans. If you want to dive in pristine waters, you have to go to Antarctica. The story includes a world map showing how much the oceans have been changed by pollution, fishing, habitat loss and invasive species:
http://www.nytimes.com/2008/02/26/science/earth/26coas.html?_r=1&ref=science&oref=slogin
http://www.nytimes.com/2008/02/26/science/earth/26coas.html?_r=1&ref=science&oref=slogin