I was looking into the practise of flying out of season vegetables and flowers into the UK from the likes of Kenya and was surprised to discover that, counter-intuitively, it is actually more green than getting them from places as close as the Netherlands.
Apparently, according to academics, there is less mechanisation used in Kenya than many places closer to home, and if all the energy and CO2 in the growing process - tractors, fertilisers, irrigation - is totted up and added to the air-miles CO2, Kenyan sourced veggies are much more 'green' - if you'll pardon the unintended pun. Kenyan growers use manual labour, cow muck as fertiliser and low-tech irrigation.
However, it still doesn't beat growing your own.
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