It generally makes environmental sense, therefore, to favour local food and other products. However, it's not always true that local is best.

一般来说，本地食物更环保的，但也不总是对的。

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The World Health Organisation, the American Medical Association and the American Dietetic Association, among others, are strongly in favour of food irradiation.

世界卫生组织，美国医学协会和美国饮食协会等其他组织都强烈支持用食品辐射。

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It is far easier to promise a bit more aid than to dismantle food subsidies that favour Western farmers but can devastate African ones.

承诺给予更多的补助要比取消食物补贴来得容易。取消食物补贴会使西方农场主受益，但非洲农民会因此而遭受灭顶之灾。

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But with some exceptions Africa's governments saw the new seeds and fertiliser as a way to secure political favour, not the food supply.

ECONOMIST: Economics focus

Critics say encouraging biofuels could prompt farmers, especially in poorer countries, to abandon food production in favour of growing fuel crops.

BBC: UK 'should end biofuel subsidies'

Mr Baker believes that in this climate the move to healthier options could work in McDonald's favour by making people feel that they are eating food that is good for them.

BBC: McDonald's tries for healthier image