I am primarily a fresh water paddler, but I do paddled on the ocean from time to time and have a special affection for estuaries. This talk by Jeremy Jackson is about what has happened in the past 150 years to our oceans and what the future holds for them. It isn't pretty.
The crisis is of such magnitude that I felt morally obligated to share this video. We have to face the issue for what it is. Tough it out and watch to the end if you can; then add your voice to the call for sustainable fishing and careful science-based management of all our water related resources.