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Cork
Bark harvested without felling the tree — renewable every 9 years.
What it is
Cork is the outer bark of the cork oak (Quercus suber), stripped by hand every ~9 years without harming the tree. Trees live 200+ years and sequester more carbon after harvest.
Why it matters
Cork forests (montados) are biodiversity hotspots that depend on continued harvesting for their economic survival. Buying cork directly funds their preservation.
Upsides
- Harvest doesn't fell trees; the same tree is harvested for centuries
- Cork oaks store more carbon after stripping
- Naturally water-resistant, hypoallergenic, antimicrobial
- Fully biodegradable
Trade-offs
- Most cork comes from Portugal — shipping footprint outside EU
- Cork composite (agglomerated) often glued with synthetic binders
- Not all 'vegan leather cork' is pure cork — may have PU backing
What to look for on the label
FSC-certified cork, ideally from Portuguese montado forests with disclosed binder type.
Better or comparable alternatives
Frequently asked
Is cork really sustainable?+
Genuinely one of the most sustainable materials available. The harvest model is regenerative and funds biodiverse forest preservation.