Which pioneering marketing campaign first successfully introduced the concept of 'carbon footprint' to mainstream consumers and caused a significant shift in how natural products were marketed?

Test your knowledge about innovative marketing campaigns in the natural products industry! The natural and organic products sector has seen some groundbreaking advertising strategies that changed consumer perceptions and established new market trends. This poll explores a famous marketing campaign that redefined how environmental sustainability was communicated to mainstream consumers. Can you identify the campaign that truly transformed the industry?

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Timberland's 'Nature Needs Heroes' campaign (2007)
The Carbon Trust's 'Carbon Reduction Label' partnership with Walkers Crisps (2006)
Patagonia's 'Don't Buy This Jacket' campaign (2011)
Seventh Generation's 'Protect Planet Home' initiative (2008)