Experiments in the Southern Ocean show that productivity, and subsequent CO 2 drawdown, are enhanced by iron additions.
However opting to take income drawdown means you give up the security that annuities offer.
This annual variability is especially evident at the southern end, where easterly and south-easterly winter storms have caused severe drawdown.
It is time to plan with the Iraqis a phased drawdown over a period of no more than twelve months.
A budget can then be developed, giving certainty to funders and allowing drawdown of funds against the adopted business plan.