Obama goes the New Age route, planting an organic garden and spouting platitudes about radical changes in lifestyle.

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To be included, a study had to compare organic and conventional planting across similarly-sized areas, had to report on the sample size and error margins, and had to use organic methods that complied with the guidelines of certification organisations (such as the UK's Soil Association).

BBC: Food: Organic growth?

Several years ago a coalition of environmental groups joined with a handful of organic farmers to sue in federal court to halt the planting of genetically engineered sugar beets modified for resistance to the herbicide glyphosate (better known by its trade name, Roundup).

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