Which pioneering marketing campaign first introduced the concept of 'carbon neutral certification' on product packaging in the natural products industry?

The natural products industry has transformed how companies market and brand themselves to eco-conscious consumers. This poll explores a groundbreaking marketing campaign that changed how sustainable products are promoted in the marketplace. Test your knowledge of influential eco-friendly marketing strategies that have shaped consumer perceptions of natural products.

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Patagonia's 'Don't Buy This Jacket' campaign (2011)
The New Zealand Wine Company's CarboNZero certification (2007)
Seventh Generation's 'Come Clean' transparency initiative (2009)
Method's 'People Against Dirty' campaign (2010)