Allbirds is a San Francisco-based footwear and apparel company founded in 2014, known for wool and sustainable material shoes.
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Allbirds has built credible carbon footprint transparency—LCA-verified, product-labeled, methodologically open-sourced—but much of its reported absolute emissions decline stems from a 45% revenue collapse and store closures, not genuine decarbonization. Water and biodiversity management remain largely unquantified. Legal wins against greenwashing claims mask ongoing academic criticism of methodology.
Allbirds scores 49/100 (Making progress) on SINK's independent climate assessment, scored from public data only. Fees pay for the review, never the result. Last verified May 2026.
That places Allbirds joint 169th of 847 companies scored, and joint 9th of 41 in Apparel (Durable / Outdoor).
Where Allbirds sits among apparel (durable / outdoor) peers.
Among the 41 major apparel (durable / outdoor) brands we've scored, Allbirds is tied =9th of 41, with 1 other.
Its three lowest-scoring questions, and what the evidence didn't show.
Good On You found no evidence of supply-chain water targets.
Absolute decline significant but intertwined with ~45% revenue drop and store closures.
Main pathway is REC purchases; supply chain RE adoption not disclosed.
A score changes when the evidence does. We use new published evidence at the next rescore. Evidence that isn't public can count through an evidence review.
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Get in touch →Strongest on Carbon Footprint — Operations and Carbon Footprint — Supply Chain (7/10, 7/10). Weakest on Water Impact and Emissions Trajectory (3/10, 5/10).
The 3 companies in the sector scoring nearest above Allbirds.
Reformation claims sustainability leadership but operates a fast-fashion growth model—14 to 53 stores since PE acquisition in 2019—driving absolute emissions up 24.5% year-on-year despite third-party verification.
See the breakdown →Finisterre demonstrates genuine sustainability commitment backed by B Corp certification and SBTi targets, with strong circular economy programmes and ocean advocacy.
See the breakdown →Patagonia has embedded environmental mission into its ownership structure and publishes comprehensive annual disclosure, but absolute emissions are climbing 25% above 2017 baseline.
See the breakdown →The formula and all 12 sources.
Same ten questions for every company. No private weighting.
SINK = (0.3 × Base + 0.7 × Performance) × Scale12 sources used in this assessment. All publicly available. Each row shows which of the ten questions it informed.
7 of 12 sources are independent of the company.
If you believe a source has been misread or a newer version exists, submit a challenge.
Allbirds is a San Francisco-based footwear and apparel company founded in 2014, known for wool and sustainable material shoes. It operates direct-to-consumer and wholesale channels and achieved B Corp certification. The company is undergoing acquisition and faced significant financial challenges in 2023–2024.
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