Nothing must be allowed to cause a distraction from the War on Fire, allegedly being fought to cut CO, most especially not something that cuts CO2.The effect iron fertilisation on CO2 levels appears to be quite limited- see Hamme et al, 2010: <a href="http://onlinelibrary.wiley.com/doi/10.1029/2010GL044629/abstractThere">http://onlinelibrary.wiley.com/doi/10.1029/2010GL044629/abstractThere</a> is further peer-reviewed literature on the efficacy of this technique on carbon seq