# Data Sources

## Official Subgraphs

### Ecosystem Subgraphs

[GitHub repo](https://github.com/klimadao/klima-subgraph)

#### [Protocol Metrics](https://thegraph.com/hosted-service/subgraph/klimadao/klimadao-protocol-metrics)

General metrics concerning the KlimaDAO protocol and treasury

#### [Vesting](https://thegraph.com/hosted-service/subgraph/klimadao/klimadao-vesting)

Metrics concerning existing KLIMA token supply locked in another contract, either temporarily or permanently

#### [User Carbon](https://thegraph.com/hosted-service/subgraph/klimadao/klimadao-user-carbon)

Metrics on addresses that have interacted with tokenized carbon credits supported by the KlimaDAO ecosystem, most notably balances over time

#### [Markets](https://thegraph.com/hosted-service/subgraph/klimadao/klimadao-markets)

Metrics on swap activity of tokenized carbon credits: prices, volumes, slippage, etc.

### Bridged Carbon Subgraphs

[GitHub repo](https://github.com/klimadao/carbon-subgraph)

#### [Polygon Bridged Carbon](https://thegraph.com/hosted-service/subgraph/klimadao/polygon-bridged-carbon)

Detailed data on carbon credits tokenized onto the Polygon blockchain

#### [Ethereum Bridged Carbon](https://thegraph.com/hosted-service/subgraph/klimadao/ethereum-bridged-carbon)

Detailed data on carbon credits tokenized onto the Ethereum L1 blockchain

## Off-Chain Carbon Registries

### Verra

Verified Carbon Units: <https://registry.verra.org/app/search/VCS/VCUs>

### Gold Standard

Credit blocks: <https://registry.goldstandard.org/credit-blocks?q=&page=1>

Registered projects: <https://registry.goldstandard.org/projects?q=&page=1>

### American Carbon Registry (ACR)

Registry Reports: <https://americancarbonregistry.org/how-it-works/registry-reports>

Retired Credits Report: <https://acr2.apx.com/myModule/rpt/myrpt.asp?r=206>

### Climate Action Reserve (CAR)

Public Registry: <https://thereserve2.apx.com/mymodule/mypage.asp>

Retired Offset Credits: <https://thereserve2.apx.com/myModule/rpt/myrpt.asp?r=206>

### Clean Development Mechanism (CDM)

Registry: <https://cdm.unfccc.int/Registry/index.html>

Cancelled CERs: <https://cdm.unfccc.int/Registry/vc_attest/index.html>

## World Bank Climate Warehouse

Envisioned to be a [global resource for all carbon credit and allowance programs](https://www.theclimatewarehouse.org/about).&#x20;

Still under development, it is currently running as a Proof-of-Concept on Chia Network: <https://app.climatewarehouse.chia.net/#/projects>