SDG 1311 pp
The Gigaton Economy
SDG 13 — Climate Action
The cheapest gigatons are leaks and inefficiencies nobody owns; bounty markets that pay finders create millions of profit-seeking climate hunters overnight.
Key Findings
What the document proves
- 01
Ten ventures bending the curve 18–22 gigatonnes/year by 2030 with standalone profitability in each wedge
- 02
Methane bounties: 4 Gt CO2e/year recoverable at under $15/tonne average — the cheapest climate action on Earth, visible from orbit
- 03
Regenerative agriculture rails paying farmers $15–40/ha/year reach 500M ha with SDG-2 node distribution
- 04
Durable removal consortium contracts drive weighted CDR costs from $350 to $75–95/tonne by 2030
- 05
Parametric adaptation insurance covering 1 billion people at $6–12/person/year, funded by VTU transaction levies
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