CarbonMeld CarbonMeld Carbon Observatory
Tools
ProjectsDevelopersComparePortfolioCCP trackerA–Z index BuyersCORSIA supplyCheck an offerAPI & MCP Method About the System Editorial Policy Score Your Project
EN
Workbench ProjectsDevelopersComparePortfolioCCP trackerA–Z index
← All projects
ScoredCARLivestock - ARB ComplianceCALIFORNIA, USRegistry: RegisteredGeneral Methodologyv2.1

Verwey Hanford Dairy Digester

Developer: Philip Verwey Farms

CAR-1265 ↗

#1321of 1689 in United States#799of 949 in Climate Action Reserve (CAR)

Assessment

CarbonMeld document-based assessment

01020304 Overall 3.6 / 10
Integrity 🔒 Transparency 🔒 Claim Safety 🔒 Documentation 🔒
Dimension scores are locked — the faint arcs are empty tracks, not zero scores.

Scale 0–10 · method weights: integrity 35% · transparency 25% · claim safety 25% · documentation 15%.

Scored2026-09-20medium confidence

evidence:22/22registry documents analyzed · 5red flags

Generated by CarbonMeld Analysis Pipeline · Methodology · Editorial Policy · About the System
Download Report (PDF)

Analysis

The Verwey Hanford Dairy Digester is a CAR compliance offset for livestock methane capture with VVB-confirmed additionality, but the most recent verification report (June 2026) identified eight material findings including fundamental calculation errors (incorrect GWP, unadjusted meter temperatures, missing Q1 methane data) and seven required corrective actions. Leakage treatment is entirely absent from the extracted record, and significant ERR figure contradictions across verification reports raise data-reliability concerns. The project's MRV system shows systemic weaknesses that undermine confidence in the claimed emission reductions.

Red Flags

5 red flags detected — Unlock with Premium

Findings

Risk Indicators

Additionality

🔒

Permanence

🔒

Leakage

🔒

Baseline

🔒

Safeguards

🔒

Double-claim

🔒

Risk indicator details are a Premium feature

Score Breakdown

Score factors per dimension are a Premium feature — Unlock with Premium

Detailed Analysis

The detailed per-dimension analysis is a Premium feature — Unlock with Premium

Evidence

Eligibility & market

What can you claim with this credit?

Four checks buyers ask about, from the registry and the Integrity Council (ICVCM).

  • Airlines (CORSIA)

    No CORSIA label on the registry

    Not usable for airlines' CORSIA obligations.

    Source: registry label

  • Integrity label (ICVCM CCP)

    No ICVCM information

    No CCP label and no ICVCM decision found for this project's methodology.

  • Removal or reduction

    Emission reduction or avoidance

    Prevents or reduces emissions — fits contribution claims, not SBTi neutralisation.

    Source: registry label

  • Paris Agreement (Article 6)

    No Article 6 authorization

    No corresponding adjustment: the host country can also count this reduction towards its own target.

    Source: registry label

Information only, from public sources. Claim rules (CORSIA, SBTi, EU rules on green claims) change: check them before making a public claim. Since 27 September 2026, EU consumer rules do not allow “climate neutral” product claims based on offsets.

Registry labels last checked:2026-09-27

Credit Vintages

IssuedRetiredAvailable
2017
49,51800
2018
40,05700
2019
41,34600
2020
43,55400
2021
49,65900
2022
53,99500
2023
60,48700
2024
56,99700
2025
53,648053,648
Total449,261053,648

Where to buy

Got an offer for these credits? Check it against the registry →

+ Know where to buy this?

Listing multiple projects? Send us a CSV at [email protected].

⚑ Dispute this rating

Profile & governance

Analysis ProvenanceGeneral Methodologyv2.1
Methodology·Editorial Policy·About the System

Are you the project owner?

Metadata correction (free)

Name, country, marketplace or links incorrect? Let us know.

Does not modify the score.

[email protected] →

Contest this rating

Something wrong in the analysis, or a registry document we have not used? Send us the link to the public source: you get a reference and an answer within 30 days.

Contest this rating →