Organic Monitor says the question remains if a single eco-label umbrella will eventually emerge to help integrate many existing certifications.

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The study points out that many big fisheries around the world are attempting to get their products certified with an "eco-label" from the Marine Stewardship Council which guarantees to consumers that stocks are not being over-fished.

BBC: NEWS | UK | Politics | 'Dismay' at proposed fishing reforms

And besides, polishing your eco-image with that "hybrid" label reduced both fuel use and the angry stares in the Whole Foods parking lot--even though that hybrid saves only about one-tenth of an SUV.

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