Environmental costs: UK figures -
Pretty et al
External cost of UK agriculture up to the
farm gate =  £1.51 bn yr
Ag  & food =  28% of goods transported
on UK roads =  £2.35 bn yr
Taking food from the shop to home =
£1.28 bn yr
Extra costs to per cap/wk UK food basket
of £24.79) = extra £2.91 (11.8% extra)