A special issue of Oceanography focused on acidification was just published earlier this week and contained two C-CAN articles.  One summarized the effects of acidification on the shellfish industry, which was led by Alan Barton.  The other summarized the core monitoring principles adopted at C-CAN workshops and was led by Karen McLaughlin. Go here to read those two articles, and the many other excellent articles in the special issue:

http://www.tos.org/oceanography/archive/28-2.html