Popular Science provides a nice post-mortem on Planktos, which ceased operations last February. The story of Planktos is a good example of the need for effective regulation of OIF activities under the London Convention.
The last page of the article has some nice coverage of Climos and the way forward with OIF. There are quotes by Dr. Ken Buesseler of the Woods Hole Oceanographic Institute, and by Dan Whaley and Margaret Leinen of Climos.
Popular Science: “Carbon Discredit“