Food for Thought: The Hidden Cost of Payment Card Convenience — A Surprising Environmental Toll

Shopping from home with a plastic payment card. Credit: Shutterstock

By Teri Reitan, Alliance for Sustainability Co-Executive Director

It is easy to think of a payment card as a tiny convenience: a small rectangle of plastic that arrives in the mail, sits in a wallet, and gets replaced every few years without much thought. But payment cards carry a much larger environmental burden than most people realize.

The problem is not just the plastic in your handit’s also the waste and emissions tied to producing, marketing, mailing, replacing and eventually discarding billions of cards plus the greenhouse-gas emissions generated by processing the transactions those cards enable.

Global annual card production is estimated at roughly 3 billion to 6.3 billion cards each year. At about 5 grams per card, that works out to roughly 16,500 to 34,700 tons of plastic introduced annually just from the cards themselves. Altogether it’s estimated there are 26 billion plastic payment cardsabout 130,000 tons of plastic in circulation at the end of 2022.

In addition, manufacturing a single plastic payment card generates about 150 grams of CO2-equivalent emissions. They estimate that in 2022 payment card production accounted for more than 1 million tons of greenhouse-gas emissions, while transaction processing accounted for another 3.3 million tons.

In other words, the environmental problem with payment cards is a production problem, a fulfillment problem, an infrastructure problem and a waste problem.

The Three Environmental Harms Payment Cards Create

The first harm happens before a card is ever used. Cards have to be manufactured, personalized, packaged, mailed, replaced and sometimes destroyed before they ever reach a consumer’s wallet. On top of that, the acquisition machinery around cards has historically been enormous.

US credit card direct mailings exceeded 7 billion pieces annually during the 2004–2007 period, and many included mock plastic or paper “cards.” It is clear that the environmental footprint extends beyond the live cards consumers actually activate and use. The footprint also includes envelopes, carriers, inserts, replacement cycles, obsolete stock and fulfillment logistics.

Both print-on-demand and digital-issuance offer more efficient issuance as ways to reduce unused inventory and waste, cut rush shipping and the latter reduces the lag between account opening and first use. Part of the environmental problem, in other words, is also an operational-efficiency problem.

The second harm is less visible but just as important: the emissions generated by processing payments. Moving data from one step to another in that complex back-end process generates carbon emissions. An estimated 3.3 million tons of GHG emissions from transaction processing points to a problem that goes well beyond the physical card. Each card transaction involves multiple intermediaries.

The reason? Data centers are a critical part of the footprint because they require energy not only to run machines, but to cool them.

The footprint per transaction is estimated at 3.78 grams of CO2. However, a different process of account-to-account (A2A) payments generate roughly four times fewer emissions than card payments because there are fewer intermediaries. The solution will need to include simplifying the number of process steps beneath the transactions.

One of the global leaders, Worldline, promoted a “1g CO2e per transaction” goal, pointing to levers such as eliminating printed receipts, extending the lifespan of cards and terminals, and, over the longer run, replacing bankcards and payment terminals with smartphone-based flows.

The third harm is one we as consumers have to confront most often: disposal. If you’re like me and want to be environmentally responsible, what do I do with them? Do I toss them? Can I recycle them?

Payment cards typically remain valid for only three to five years, but the materials they are made from persist for hundreds of years. And due to complexities of payment card materials they are hard to recycle and harmful when incinerated or left to decompose in landfill.

A modern payment card is not just one material. It may include an EMV chip, antenna, magnetic stripe, signature panel, and security or holographic layers. This complexity makes most payment cards non-recyclable and this confuses consumers.

One study found more than 76 million plastic payment, loyalty and gift cards — about 380 tons of PVC — had been discarded in U.K. landfills over five years and 65 million unused cards were sitting idle in homes. Astonishingly, 6.6 million people mistakenly believed cards could be recycled — a misunderstanding that contaminated about 10.2 million recycling batches.

The Disappoint of At-best “Greener” Cards

Marketing often gets ahead of reality — there is nothing wrong with trying to make cards less harmful. Recycled PVC is better than virgin PVC, ocean-bound plastic can divert waste from waterways and PLA (a bioplastic) may reduce fossil-plastic content in the card body.

Too often, these improvements are marketed as green or eco-friendly, when in fact they address only one part of the payment card issue — the outer shell. They do not solve the emissions tied to processing, and they do not eliminate the embedded components that still make cards difficult to recycle or compost.

Even when a bank swaps virgin PVC for recycled PVC, ocean-bound plastic or PLA, the hardest parts of the waste problem often remain embedded inside the card: the chip, the antenna, the signature panel, the security layers, and in some cases the magnetic stripe.

Mastercard’s long-running phaseout of magnetic stripes is notable precisely because it acknowledges that legacy card architecture itself needs to change. In most markets, newly issued Mastercard credit and debit cards have not been required to carry a stripe since 2024. US issuers lose that requirement in 2027, and by 2029 no new Mastercard credit or debit cards will be issued with a stripe.

PLA may be a promising bioplastic, but no bioplastic — short of one also replacing chips, magnetic stripes, antennas and holograms — is a full solution. Gateway Bank’s eco Visa debit card uses a 100% PLA card body, but still has the other problematic components.

Bank of New Hampshire promotes cards that are 84% PLA, but both still sit within a hybrid reality: the functional payment components remain outside the plant-based body material. That is why PLA may be worth watching, but it should not be mistaken for a complete answer.

There are some promising signals that functional payment components may change, but they are not yet full solutions for mainstream bank cards. Oomph Made’s Pulper Zero® is a potential plastic-free, recyclable RFID inlay built on wood fiber with printed silver conductive ink and direct chip attachment is an example.

So too are Monadnock Paper Mills and Hazen Paper, showing that paper-based gift and loyalty cards can deliver holographic effects while remaining recyclable as paper. These examples sit at the edge of the problem, not at the center of it – none address mainstream bank cards with full payment functionality.

A growing number of other major players are moving away from first-use PVC to recycled plastic including HSBC, Bank of America, Deutsche Bank, Citi and U.S. Bank, with Gateway Bank and Bank of New Hampshire moving to PLA-based cards.

Reasons for Hope — and Why the Roadmap Is Still Long

Some issuers are also experimenting with recycling infrastructure instead of leaving disposal entirely to consumers. NatWest has piloted reverse-vending machines that collect used cards and other materials; it said those machines had already recycled 35,000 cards and 2,000 bottles into new products.

HSBC and Santander in the U.K. have piloted in-branch machines that turn expired cards into reusable pellets. Mastercard‘s 2023 ESG report says it has launched a card-recycling program that banks can adopt “on behalf of Mastercard,” positioning it as a scalable, issuer-friendly approach.

Among the largest global players, Mastercard appears to be one of the few looking at the problem somewhat systemically rather than as a simple materials swap. Its public materials combine a sustainable-card program, a phaseout of first-use PVC by 2028, card-recycling support, Digital First concepts and the retirement of magnetic stripes.

Mastercard’s 2023 ESG report said more than 570 financial institutions in 100 countries had issued cards through its Sustainable Card program, and that 14% of all Mastercard-branded cards produced in 2023 used Card Eco-Certification products. That does not mean Mastercard has solved the problem, but it does suggest a broader grasp of how many moving parts are involved.

Still, the roadmap is long because the problem is layered. A better card body does not solve processing emissions. A cleaner data center does not solve landfill waste. A recycling machine does not solve the overproduction of cards that never should have been printed in the first place.

And a digital-first wallet experience, while extremely helpful on the physical-card side, may do less for processing emissions if the transaction still runs over the same complex card rails. This is why the path forward is slower and more complicated than “green card” marketing often suggests.

Why This Is a Case for Collaborative Capitalism

This payment-card problem points to something larger: the need for what I think of as Collaborative Capitalism. No single bank can fix this alone. The waste and emissions are spread across a shared system — card manufacturers, banks, card networks, processors, mail houses, data centers, merchants and recyclers all play a role.

One company can make progress at the margins, but the biggest gains will come when the industry works together on the parts of the system everyone uses and everyone pays for: overproduction of physical cards, wasteful fulfillment and replacement practices, hard-to-recycle cards, fragmented take-back programs and energy-intensive transaction infrastructure.

That does not mean companies should stop competing. Banks can still compete on rates, rewards, service and innovation. But if issuers, networks and processors agreed on lower-waste standards, broader Digital First or Physical Optional models and shared recycling and emissions-reduction systems, they could all improve their bottom lines and reduce environmental harm.

Doing the right thing for the environment saves money for businesses — a more coordinated approach could mean fewer unnecessary cards produced and mailed, lower fulfillment costs, less obsolete inventory and a cleaner payments infrastructure overall. When an environmental problem is built into a shared business system, the smartest solution may be a shared one, too.

Take Actions

For Individuals

Consumers do have options, even if the system is bigger than any one person:

  • Use mobile wallets and avoid unnecessary physical-card replacements in order to reduce some manufacturing, mailing and fulfillment waste.
  • Ask a bank whether it offers a digital-first experience, whether a physical card is truly necessary, and whether replacement cards can be avoided unless functionally needed.
  • Ask better questions — What is the card made from? Does the bank have a take-back or recycling program? Is the institution investing in ways to reduce both waste and emissions, or just promoting a greener-looking card body?

For Banks

For banks, the environmental case increasingly overlaps with the business case:

  • 44% of bank respondents ranked instant digital card issuance among their top three features, 51% valued easy integration with third-party apps and wallets, and 64% said they would be likely to expand their relationship with an issuer offering those capabilities. This is not just about sustainability branding. It is about meeting consumer expectations for immediacy and convenience.
  • There is also evidence that faster digital issuance can improve activation and revenue timing:

     

  • Banks therefore have a practical action list in front of them. They can:
    • Make physical cards optional where possible
    • Reduce unnecessary reissuance
    • Cut direct-mail waste
    • Manage print-on-demand more tightly
    • Build or join card-recycling programs
    • Move processors and data-center partners toward lower-carbon electricity
    • Look seriously at whether some payment activity can move onto simpler, lower-emission rails (cleaner electricity can help lower the carbon intensity of processing, and simpler payment architecture may also be needed to bring emissions down more substantially)

     

The Greenest Payment Card Solution

The greenest payment card may not be the one made from slightly better plastic. It may be the card that was never printed, never mailed, never replaced unnecessarily and never forced through a more complex payment chain than necessary. That is the uncomfortable truth behind the payment-card conversation. The problem is the system — and systems can be redesigned.

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