Mr. Phillip O'Brien:

I want to come back in on the planting of trees at farm scale. There are some tools out there such as the carbon navigator that is available as an advisory tool to farmers on management of carbon at the farm scale. I do not know what Senator Lombard had in mind in terms of planting 80 or so trees, whether it would be as a commercial enterprise or just an element of offsetting the carbon or other emissions on a farm. It would not be enough but it would certainly be a contribution. The navigator is an important tool for creating awareness of the other dimensions of carbon such as soil, hedgerows and the other elements of biomass within the farm. It also addresses elements like nutrient management, which have a knock-on for N2O emissions as well. It is not just the fertiliser but the animals themselves with their waste and methane as well. It creates a more holistic appreciation of the entire farm and I suppose efficiencies come into it as well.