Fonterra Admits Anchor Butter "Grass-Fed" Label Misled Consumers After Greenpeace Lawsuit

New Zealand dairy giant Fonterra has reached a settlement with environmental organization Greenpeace Aotearoa, acknowledging that the "100% New Zealand grass-fed" label on its Anchor butter likely misled consumers about the actual diet of its cows. The settlement marks a significant victory for transparency advocates and raises broader questions about greenwashing practices in the food industry.

Greenpeace filed the lawsuit in 2024, arguing that Fonterra violated consumer protection laws by using the grass-fed claim on Anchor butter sold in New Zealand supermarkets from December 2023 through April 2025. The core of the allegation centered on the fact that the cows producing Anchor butter were also fed non-grass supplements, including palm kernel — a byproduct linked to deforestation in Southeast Asian rainforests.

In its official statement, Fonterra conceded that the label was likely to mislead shoppers, particularly those unfamiliar with common dairy farming practices where supplemental feeds are routinely used. The company confirmed it has since removed the contested label from Anchor butter packaging, signaling a move toward more transparent product marketing.

Greenpeace spokesperson Sinéad Deighton-O'Flynn welcomed the outcome, calling it a landmark moment in the global fight against corporate greenwashing. She emphasized that misleading eco-friendly or natural food claims erode consumer trust and must be held to legal and ethical standards.

The settlement sends a clear message to food manufacturers worldwide: green marketing claims must be accurate, verifiable, and compliant with consumer protection regulations. As shoppers increasingly prioritize sustainably sourced and ethically produced food, companies that exaggerate environmental credentials face growing legal and reputational risks.

Fonterra's shares dipped slightly following the announcement. The case is expected to influence how dairy and food companies craft product labels going forward, particularly those targeting environmentally conscious consumers.