Cardboard from online shopping has become a defining waste stream of urban life. Most city flats accumulate a small mountain of boxes within a week of normal online shopping. The good news: cardboard is one of the more recyclable materials, with mature recycling infrastructure. The bad news: it’s also one of the most wastefully used materials, with boxes routinely 2, 3 times larger than necessary for the items inside.
Here is the practical approach to managing online cardboard waste.
The reduction-first stance
The most useful intervention is reducing cardboard before it arrives, not better managing it after. The interventions:
- Consolidate orders. Five items shipped together generate roughly one fifth of the cardboard of five items shipped separately.
- Wait for non-urgent items. Combining a week’s online purchases into one shipment dramatically reduces packaging.
- Choose retailers with minimal packaging. Some retailers (especially smaller ones) ship in much smaller boxes than the giants. The major retailers vary; Amazon’s packaging has improved but is still often oversized.
- Use “ship in own packaging” options where available. Some retailers ship items in the manufacturer’s own retail packaging without an additional outer box.
- Refuse one-day shipping for non-urgent items. Standard shipping consolidates better than express.
The reuse hierarchy
Cardboard that’s already arrived has several second-life options before recycling:
1. Storage and moving
Good quality boxes are excellent for storage and ideal for moving day. Keep a small stack of strong boxes in a closet for these purposes. The boxes you save now save you buying moving boxes when you next move flat.
2. Returns and onward shipping
Save a few boxes for sending parcels, returning purchases, sending birthday gifts, mailing items you sell online. A reused box is dramatically lower-carbon than a new one.
3. Crafting and household uses
Cardboard has many minor household uses: makeshift bookshelves (with proper construction), under-bed storage, lining for paint trays, base for indoor compost systems, materials for children’s craft projects, plant pot bases.
4. Donating to neighbours
Many neighbours (especially with children or who are about to move) want boxes. A “free boxes” post in your building’s WhatsApp group or on a local Facebook group usually clears them within a day.
5. Composting
Cardboard breaks down well in compost systems. Tear into small pieces and add to home compost or worm bins as a “brown” material that balances “green” food scraps.
The recycling specifics
When cardboard goes to recycling, a few details matter:
- Flatten boxes. Unflattened boxes take up massive bin space and are sometimes left behind by collectors.
- Remove tape where easy. Heavy tape and plastic windows can be removed; small amounts of tape are usually acceptable.
- Recycle clean cardboard. Food-contaminated cardboard (greasy pizza boxes, badly food-stained packaging) should usually go in compost or general waste.
- Bundle small pieces. Loose small pieces blow around and are missed by collectors. Bundle with twine or place in a paper bag.
The packing materials problem
Cardboard is the easy part. The packing materials inside are harder:
- Bubble wrap: not recyclable in most kerbside collections. Reuse for storage, sending parcels, or take to a soft-plastic collection point at a supermarket.
- Air pillows: deflate and recycle with soft plastics, or reuse for packing.
- Polystyrene foam: rarely recyclable. Some specialist centres accept it; otherwise general waste. Avoid retailers that use it where possible.
- Cardboard inserts and dividers: recycle with the box.
- Paper-based packing: compostable and recyclable, the best option from retailers.
Increasingly, retailers are switching to paper-based packing materials, which are dramatically more recyclable. Choosing retailers with paper packing makes a meaningful difference.
The cardboard-to-compost cycle
For households with composting (apartment systems or council food-waste collection), shredded cardboard is a useful addition. Most kerbside food-waste systems accept some paper and cardboard alongside food scraps as “browns” that absorb moisture.
For worm farming specifically, shredded cardboard is essential bedding material. The cardboard from one or two online orders provides weeks of worm bedding.
The returns dimension
Returns are the worst part of online shopping’s cardboard footprint. Each return involves: the original outbound box, the return label, the return shipping, the warehouse processing, often a re-shipping to another customer. The cardboard footprint of a returned item is roughly 3x the footprint of a kept item.
Interventions:
- Order one size at a time rather than three to try.
- Read reviews carefully before ordering.
- Use brand size guides.
- For items unlikely to fit, visit a physical store instead of online.
Related: Shrinking Food Waste to Nearly Zero in a Small Flat
The retailer pressure point
Many retailers have improved packaging significantly in response to customer pressure. The interventions:
- Provide feedback when packaging is excessive (1-star reviews mentioning packaging get attention).
- Choose retailers with explicit packaging commitments.
- Support smaller independent retailers (often have better packaging than major retailers).
- Use the “report problem” feature on major retailers for severe over-packaging.
Related: Reusable Menstrual Products: An Honest Review
The honest summary
A household that consolidates orders, reuses boxes for storage and returns, and recycles the rest will have a much lower cardboard footprint than one that orders frequently and bins everything. The savings are real but require active engagement, the default behaviour with online shopping is high-waste, and the better-waste version requires deliberate choices.
The complementary move is buying less online overall. Cardboard, even well-managed, has a real environmental cost. The single most sustainable cardboard is the one that never existed.
Related: Apartment Composting Without a Garden: A Realistic Guide
What actually recycles
| Key point | What it means in practice |
|---|---|
| Consolidate orders | Five items shipped together generate roughly one fifth of the cardboard of five items shipped separately. |
| Wait for non-urgent items | Combining a week’s online purchases into one shipment dramatically reduces packaging. |
| Choose retailers with minimal packaging | Some retailers (especially smaller ones) ship in much smaller boxes than the giants. The major retailers vary; Amazon’s packaging has improv |
| Use "ship in own packaging" options where available | Some retailers ship items in the manufacturer’s own retail packaging without an additional outer box. |
| Refuse one-day shipping for non-urgent items | Standard shipping consolidates better than express. |
Why this matters beyond the household
It is easy to feel that individual sustainability is a small thing in a world of large emissions. The honest framing is that individual practice and structural change reinforce each other rather than competing. When you cycle to work, the count of cyclists in your neighbourhood goes up, which influences local council decisions about cycling infrastructure, which makes cycling easier for the next person who considers it. When you switch to a renewable energy tariff, the market for renewable generation grows, which lowers the cost of new installations and accelerates the energy transition.
These mechanisms are slow and partially invisible from inside any single household. They are also genuinely operative. The cities and countries that have moved fastest on climate are the ones where significant numbers of individuals made early shifts in behaviour, which gave political cover to elected officials who then enacted broader structural changes. Your individual choices are not the whole story, but they are the part of the story you actually control.
Sources and further reading
Frequently asked questions
Yes, in most cases. Small amounts of tape are acceptable. For heavy tape or plastic windows, remove what's easy and recycle the rest.
Flatten boxes and store stacked in a closet or under a bed. Most apartments have space for 10, 20 flattened boxes, which is plenty for moving day or sending parcels.
Most are, including paper-based packing pads, kraft paper void fill, and paper bubble alternatives. Tear into small pieces and add to compost.
Often yes per item, but the comparison depends on how you'd otherwise get to the store. A consolidated online order can be lower-carbon than multiple driving trips to a store.
