tanso.market
Specimen: Carbon
"Carbon is the element of memory — every forest stores its history in the soil."
Each carbon credit is a specimen of atmospheric redemption — one tonne of CO₂ equivalent, measured, verified, and catalogued with the precision of a naturalist pressing a rare orchid between pages of acid-free paper. The ledger lives.
Registry: Verified Carbon Standard
Methodology: VM0015
Vintage: 2025
Status: Active
The underground exchange
Volume: 493 MtCO₂e
Growth: +12.4% YoY
Volume: 12.5 GtCO₂e
Coverage: 23% global
Projects: 1,847
Sequestered: 287 Mt
DAC Capacity: 0.01 Mt
Cost: -600/t
"Beneath every forest, a market already exists — the mycelium exchange, trading nutrients for carbon, the original decentralized network."
Layers of deep time
Time is the ultimate sequestration technology. What takes decades to accumulate in topsoil takes millennia to reach the deep carbon pool — and geological ages to become the bedrock beneath our feet.
Where carbon finds its keeper
Every tonne of carbon offset is a page added to the ledger of repair. The forest keeps the original records; we merely catalogue the copies.
"The exchange is not a marketplace — it is a library of promises made to the future."