# Doconomy Aland Index
source: https://developer.mastercard.com/doconomy-aland-index/product/transaction-carbon-impact/index.md

### Understand your climate footprint {#understand-your-climate-footprint}

![Transaction footprint](https://static.developer.mastercard.com/content/doconomy-aland-index/uploads/transaction_footprint2.svg)

###### Transaction footprint {#transaction-footprint}

Understand the estimated carbon footprint of each transaction.
![Historical views](https://static.developer.mastercard.com/content/doconomy-aland-index/uploads/historical_views2.svg)

###### Historical views {#historical-views}

Look back at the carbon footprint of past spending.
![Category details](https://static.developer.mastercard.com/content/doconomy-aland-index/uploads/category_details2.svg)

###### Category details {#category-details}

Calculate the aggregate of your carbon footprint over a period of time.

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### How it works {#how-it-works}

###### Consumer initiates a transaction {#consumer-initiates-a-transaction}

###### Issuer shows the details to consumer via issuer-built interface {#issuer-shows-the-details-to-consumer-via-issuer-built-interface}

###### Issuer passes the transaction amount and Merchant category to Mastercard {#issuer-passes-the-transaction-amount-and-merchant-category-to-mastercard}

###### Mastercard passes the details back to the issuer {#mastercard-passes-the-details-back-to-the-issuer}

###### Mastercard calculates Carbon and Social Cost impacts of the transaction {#mastercard-calculates-carbon-and-social-cost-impacts-of-the-transaction}

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### Use cases {#use-cases}

![View carbon impact](https://static.developer.mastercard.com/content/doconomy-aland-index/uploads/view_carbon_impact2.svg)

###### View carbon impact {#view-carbon-impact}

Create apps to let customers view their carbon impact based on spending habits.
![Motivate positive behavior](https://static.developer.mastercard.com/content/doconomy-aland-index/uploads/motivate_positive_behavior2.svg)

###### Motivate positive behavior {#motivate-positive-behavior}

Encourage consumers to set footprint goals and utilize the service to track progress.
![Actionable ways](https://static.developer.mastercard.com/content/doconomy-aland-index/uploads/present_actionable_ways2.svg)

###### Present actionable ways to offset footprint {#present-actionable-ways-to-offset-footprint}

Offer options for consumers to donate as means of compensating for carbon impact.

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### Why use it {#why-use-it}

Mastercard research across multiple markets confirms strong cardholder demand for payment solutions that address sustainability.

### 70%

of consumers considered sustainability and environmental friendliness an important feature of a bank.
The Motley Fool Ascent survey distributed via Pollfish on January 4, 2024.

### 40% +

of consumers take sustainability into account before purchasing services from companies in the financial sector.
<https://finansforbundet.dk/en/news/2022/bank-customers-demand-sustainability/>

### 8 out of 10

climate-conscious bank customers will be prepared to switch banks if they do not feel convinced that sustainability is sufficiently prioritized.
<https://finansforbundet.dk/en/news/2022/bank-customers-demand-sustainability/>

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### Trusted by Industry Leader {#trusted-by-industry-leader}

![Nexi](https://static.developer.mastercard.com/content/doconomy-aland-index/Images/existing-customers/PayBox.png) Paybox is a digital payment and embedding services provider that has partnered with Mastercard to integrate the Mastercard Doconomy Aland Index, allowing their users to see the transaction footprint of their spending and take action to support environmental projects.
Paybox provides the technology for banks to embed this Doconomy Aland Index into their banking applications or websites, giving customers insights into their environmental impact and the option to donate to reforestation efforts.

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### Resources {#resources}

Doconomy Aland Index

Enables consumer to measure the carbon impact based on spending behavior

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**Used
By** Issuers, Merchants and Payment Service Providers **Regions** This API is available globally except for Cuba, Iran, North Korea, Sudan and Syria **Supports** ![mastercard card](https://developer.mastercard.com/img/card_mastercard.svg)

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