news from the BBC on how global warming, supermarkets and producers' impact on food may need to be adjusted for the future. This says a lot for the UK,but can also be seen in the USA, where we have places in the CA central valley that have no residential water limits, but then can't water their crops, also draining water needed for crops in Northern CA.
http://news.bbc.co.uk/2/hi/science/nature/8189549.stm
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