Reviews written by nick swallow
Reply to Jenny Hall's comment, Thursday, 04 October 2007
The 10m ha arable suggested in ZeroCarbonBritain is my estimated maximum area that could be used for arable cropping: The land would be rotational and organically managed so it would probably be significantly better in wildlife terms than today's "arable desert" in Eastern England. The area is so large because we have a lot of mouths to feed.
I am aware of the carbon emissions associated with ploughing of grassland, and the decision was a hard one to make because of this (and disruption to wildlife).
On balance the ZCB agriculture model would sequester C in new woodlands rather than release it.
It was encouraging to find that, assessed in very basic terms of food energy requirements, the densely populated island of Great Britain could feed its 60 million or so inhabitants from an indigenous organic agriculture. 60 million is however at the upper limit of the numbers we could support in this manner, and is plainly too many for us to feel comfortably food-secure.
I am aware of the carbon emissions associated with ploughing of grassland, and the decision was a hard one to make because of this (and disruption to wildlife).
On balance the ZCB agriculture model would sequester C in new woodlands rather than release it.
It was encouraging to find that, assessed in very basic terms of food energy requirements, the densely populated island of Great Britain could feed its 60 million or so inhabitants from an indigenous organic agriculture. 60 million is however at the upper limit of the numbers we could support in this manner, and is plainly too many for us to feel comfortably food-secure.
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