SINK Blog
Data-driven sustainability insights from the SINK database.
Retail30 May 2026
We scored Britain's "healthy" snack brands on sustainability — and the "natural" ones came last.
Pip & Nut: 55. Graze: 44. Eat Natural: 31. We scored seven of Britain's best-known healthy snack brands — and a B Corp logo or the word "natural" on the packet didn't save them.
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HaydnRetail29 May 2026
We scored every UK supermarket on sustainability
We scored every UK supermarket on sustainability. The Co-op leads at 50. ASDA is alone at the bottom at 31. No supermarket scored above 50.
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HaydnFashion13 Apr 2026
We scored every fast fashion brand on sustainability. Here's what we found.
Fashion Nova: 8. SHEIN: 15. H&M: 40. Not a single fast fashion brand scored above 40/100. Here's what drives the gap between fast fashion and sustainable brands.
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HaydnData11 Apr 2026
We scored 500+ companies on sustainability. Here's what we found.
The average SINK score is 38/100. No company has broken 75. Fast fashion is the worst sector. Here are the headline findings from our database.
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