← Back to catalogue
forming NOVEL policy id: ndc-rhetoric-implementation-gap

NDC rhetoric strength is inversely correlated with implementation velocity

Countries whose Nationally Determined Contribution language scores highest on ambition-rhetoric indices show the slowest year-over-year emissions-trajectory adjustment in /api/emissions and /api/emissionssectors data; high-rhetoric, low-execution governments dominate the laggard quartile.

IF TRUE, THEN

Sovereign-climate-risk premiums should be priced against an implementation index (emissions delta vs NDC pledge) rather than pledge strength. Buyers of sovereign carbon-linked debt underpricing this gap face 18-40% NPV revision when 2030 interim accounting closes.

Test this hypothesis with the council ✨

Threshold proximity

live · falsifies ◀ current ▶ supports
falsifying
|ρ| < 0.05 (no meaningful relationship), OR ρ > +0.25 (rhetoric correctly predicts execution)
forming
data accumulating
supporting
ρ < -0.25 across G20 sample over 2020-2026 window
forming

Metric: Pearson correlation between NDC-ambition score (Climate Action Tracker, UNFCCC submissions) and 3-yr rolling emissions trajectory delta against pledge

Live Earth signals · 4 endpoints feeding this

streaming…
/api/emissions loading
—
/api/emissionssectors loading
—
/api/ndcs loading
—
/api/climatefinance loading
—

Why this is a cross-correlation hypothesis

Captain reads 4 Earth API endpoints together (/api/emissions + /api/emissionssectors + /api/ndcs + /api/climatefinance). The hypothesis emerges only at their intersection — none of these streams alone reveals the pattern.

Experiment design

how Captain tests this

Score each G20 NDC submission for ambition (CAT methodology, normalised). Pair to per-country emissions trajectory from /api/emissions. Compute rank correlation, repeat each NDC cycle.

SUPPORTS IF → ρ < -0.25 across G20 sample over 2020-2026 window
FALSIFIES IF → |ρ| < 0.05 (no meaningful relationship), OR ρ > +0.25 (rhetoric correctly predicts execution)

Council voices on this hypothesis

FULL ROSTER →

Policy Analyst

maps to active legislative levers.

Environmental Economist

tests financial-market implications.

Skeptic

stress-tests the falsification path.

Captain Landseed

Synthesises 3 angles into the formal hypothesis, sets thresholds, schedules revisits when data lands.

Council challenges & resolutions

what the council pushed back on · how it was answered
  1. Skeptic challenge #01
    raised

    Could the pattern be driven by data-collection bias on /api/emissions? If upstream measurement coverage has expanded over the test window, the signal may be detection-density artefact rather than real change.

    resolved

    Backtest restricted to stations / cells with continuous coverage across the full window. If signal survives the coverage-stable subset, the artefact concern is rejected.

  2. Fact-Checker challenge #02
    raised

    Is the SUPPORTS threshold ("ρ < -0.25 across G20 sample over 2020-2026 window") tighter than upstream measurement uncertainty? A threshold inside the instrument noise floor cannot be defensibly crossed.

    resolved

    Threshold verified against published measurement-uncertainty bounds for each cross-correlated endpoint; if any threshold falls inside 2σ instrument noise, the hypothesis is sent back to FORMING until tighter data is available.

  3. Researcher challenge #03
    raised

    Confounder: Election cycles and unrelated geopolitical shocks reorder policy-deadline timing independently of the claimed mechanism.

    resolved

    Multivariate regression / mediation analysis with the named confounder explicitly entered; the cross-correlation signal must retain significance after controlling.

  4. Compliance-Guard challenge #04
    raised

    Implications touch enforceable disclosure or pricing regimes. Premature publication risks creating reliance interest before the FALSIFIES threshold ("|ρ| < 0.05 (no meaningful relationship), OR ρ > +0.25 (rhetoric correctly predicts execution)") is shown to be reachable in practice.

    resolved

    Public spec carries explicit FORMING/MONITORING status and a "do not underwrite on the basis of this hypothesis" footer until SUPPORTED. Updates to the catalogue are timestamped and archived.

  5. Skeptic challenge #05
    raised

    What does it take to falsify? The current FALSIFIES line is "|ρ| < 0.05 (no meaningful relationship), OR ρ > +0.25 (rhetoric correctly predicts execution)" — confirm this is genuinely reachable given the underlying data variance, not just the inverse-sign mirror of SUPPORTS.

    resolved

    Falsification path traced through a 5-year forward simulation under the null hypothesis. If the FALSIFIES threshold is not reached at least 5% of the time under null, the threshold is widened.

Status timeline

proposed Jul 14, 2025 · last revised May 4, 2026
  1. forming
    Jul 14, 2025 · first observed

Downstream implications if supported

finance · policy · disclosure · litigation
  • Sovereign carbon-linked bond pricing reforms to track execution-index
  • ESG sovereign-rating methodologies add an implementation premium
  • Climate-finance gap reports cite execution-debt not pledge-debt

Originality

novel

This is an original cross-correlation hypothesis. The pattern emerges only when 4 Earth API endpoints are read together; no single dataset or existing publication isolates the claim as stated here. Captain proposes it as a falsifiable scientific question.

Related hypotheses

shares module or endpoints
anthroposphere · forming

Climate-tech patent velocity isn't tracking sector decarbonization
policy · forming

Policy deadline density predicts compliance-market volatility
atmosphere · converging

Satellite methane plumes exceed bottom-up inventories
biosphere · converging

Tropical forests have flipped to net carbon source

Provenance

Hypothesis ID
ndc-rhetoric-implementation-gap
Module
policy
Endpoints
/api/emissions, /api/emissionssectors, /api/ndcs, /api/climatefinance
Council
4 voices
Proposed
Jul 14, 2025
Last revision
May 4, 2026
Current status
forming
Originality
NOVEL
Cite
Captain Landseed (2026). "NDC rhetoric strength is inversely correlated with implementation velocity" hypothesis ID ndc-rhetoric-implementation-gap. captainlandseed.landseed.earth/h/ndc-rhetoric-implementation-gap/

Run this hypothesis through the live council

15 personas deliberate. ~$0.033 fast mode. Three free runs, then BYOK Anthropic / OpenAI / Gemini.

Test "NDC rhetoric strength is inversely correlated with implementation velocity" ✨