Companion lens to /carbon-inset. The Carbon Inset funnel finds the best ground (high soil carbon → high score). The Shed lens finds the ground with the most headroom (low soil carbon → high score). Insetting / additionality framing · the cattle that pull the biggest delta sit on the ground that has the most to gain.
Composite score over USDA CDL agriculture mix + EDIT forage productivity + SSURGO soil organic carbon band. The soil-carbon sub-score is inverted relative to /carbon-inset: very low (≈) → 90, low → 70, moderate → 50, high → 25. Insetting / additionality lens · counties with the most carbon to gain rank highest. Indicative composite of cited public facts; not a carbon-credit measurement or registry-grade inventory.