Sustainability got slapped on the front of every pet food bag at roughly the same moment, which makes it almost useless as a signal. A leaping stag, the word natural in a serif font, and none of it tells you whether the food inside has a smaller footprint than the store brand next to it. I went down this rabbit hole feeding my own two dogs, and the short version is that most of a pet’s environmental impact, something like 95 percent, comes from the food itself, not the bag or the shipping. So that’s where I put the weight in this guide.
Here’s the honest framing up front. A food is more sustainable when it does some combination of these: uses a lower-footprint protein (insect, novel, upcycled byproduct, or poultry instead of beef), sources ingredients you can actually trace, meets AAFCO complete-and-balanced standards so you’re not trading nutrition for virtue, and ships in packaging that has a real end-of-life plan. A brand that nails one of those and hand-waves the rest isn’t sustainable, it’s marketing. I’ll name real brands, tell you what each one actually does, and flag the greenwashing tells so you can judge the next bag yourself.
One thing I can’t do here: link you to a single verified product page. This category churns constantly, formulas get reformulated, and several of the best brands sell direct rather than on Amazon. So every product link below is a search link that lands you on current listings and sizes. I earn a small commission if you buy through one, at no extra cost to you. Where a brand sells direct-to-consumer only, I say so.
Quick answer: what I’d actually buy
- Most traceable, best all-rounder: Open Farm. 100% traceable ingredients, Certified Humane, publishes a carbon footprint.
- Lowest footprint protein (insect): Yora or Jiminy’s. Black soldier fly grubs and crickets, a fraction of beef’s water use.
- Lightest to ship, human-grade: The Honest Kitchen dehydrated. You add the water, so you’re not shipping it.
- Plant-based / fermented protein: Wild Earth (koji fungi protein). Direct-to-consumer, so check the brand site too.
- Responsibly sourced seafood: look for MSC-certified fish recipes. Wild-caught cod and pollock lines carry the blue label.
- Best packaging story: brands using compostable or mail-back bags (Portland Pet Food via TerraCycle, The Conscious Pet).
What actually makes a dog food sustainable
Strip away the branding and there are four levers. A food can pull on one or all of them, and how many it pulls is roughly how seriously you should take the eco claim.
Protein source. This is the big one. Beef is the worst offender by a distance: meat-based dog food can generate around 240 kg of CO2 equivalent per 100 kg of food, and beef is the heaviest contributor within that. Swapping to poultry helps. Swapping to insect, upcycled byproduct, or plant/fermented protein helps a lot more. If a brand is “sustainable” but the first ingredient is beef, the claim is mostly about the bag.
Sourcing and traceability. Can the brand tell you where the protein came from? Open Farm publishes 100% ingredient traceability, which is rare and genuinely hard to fake. Seafood should carry MSC (Marine Stewardship Council) certification if it’s wild-caught, so you’re not funding overfishing. Vague “responsibly sourced” with no certification behind it is a phrase, not a fact.
Nutrition, which is non-negotiable. Every food I’d recommend has to meet AAFCO nutrient profiles and carry a complete-and-balanced statement for the right life stage (growth, adult maintenance, or all life stages). Complete means it has every required nutrient; balanced means they’re in the correct ratios. A food that’s kind to the planet but short on taurine or the wrong calcium ratio is not a food I’d feed. Sustainability never overrides this.
Packaging. Real, but smaller than people think given it’s the visible part. It gets its own section below because there’s more nuance than “recyclable, good.”
The brands worth comparing
| Brand | Sustainability angle | Protein | Notable signal |
|---|---|---|---|
| Open Farm | Full traceability, carbon footprint published | Poultry, MSC fish, others | Certified Humane, carbon-neutral claims |
| Yora | Insect protein, solar-powered farm | Black soldier fly larvae | UK-made, complete & balanced |
| Jiminy’s | Insect protein, ultra-low water use | Cricket + black soldier fly | Novel protein, allergy-friendly |
| The Honest Kitchen | Human-grade, ships dry (light) | Chicken, fish, others | Less water and freight per meal |
| Wild Earth | Plant-based, fermented protein | Koji fungi protein | Recyclable/compostable packaging |
| Bond Pet Foods | Fermentation, animal protein without animals | Microbial-brewed protein | Next-gen, early availability |
A note on that table: availability is uneven. Open Farm and The Honest Kitchen are easy to find. Yora and Jiminy’s are gettable but region-dependent. Wild Earth and Bond lean direct-to-consumer, and Bond in particular is early-stage tech rather than a shelf staple. I’d rather tell you that than pretend all six are one click away.
Sustainable pet food ingredients, from most to least proven
This is the heart of “sustainable pet food ingredients” as a topic, so here’s the actual menu of what brands use and how legit each one is.
Insect protein. The flagship. Yora rears black soldier fly grubs on surplus fruit pulp and potato peelings at a solar-powered farm; Jiminy’s uses crickets and black soldier fly larvae. The water math is the headline: insect protein needs roughly a gallon of water per pound, against something like 1,800 to 2,000 gallons per pound for beef. It’s also a novel protein, so it doubles as an allergy option for dogs that react to chicken or beef. Downside: it’s newer, and a minority of dogs balk at the smell.
Novel and fermented proteins. The frontier. Bond Pet Foods uses fermentation with a chicken DNA sequence to brew real animal protein without raising animals. Wild Earth makes plant-based dog food built on koji (a fungus) protein. Because Animals and others are working cultured and fermented proteins for cats and dogs. These are the lowest-footprint proteins on paper, but availability and long-term feeding data are both still catching up.
Upcycled and byproduct ingredients. Underrated and very legitimate. Using human-food surplus and secondary cuts (organs, offcuts) that would otherwise be wasted is a real sustainability strategy, and it’s distinct from insect or plant protein. The Conscious Pet builds around upcycled surplus food. Don’t let the word byproduct scare you off; organ meat is nutritious, and diverting it from waste is a genuine win.
Plant-based. Works better for dogs than cats. Dogs are omnivores and can do well on a properly formulated plant-based diet (Gather Endless Valley is one example) as long as it meets AAFCO adequacy. Cats cannot, because they’re obligate carnivores and need nutrients plants don’t supply in usable form. If you’re feeding a cat, plant-based is the one lever to approach with a vet, not on your own.
Sustainable fish and omega-3. For seafood recipes, MSC certification on wild-caught fish (line-caught Alaskan cod, for instance) is the thing to look for. For DHA and omega-3, marine microalgae is a sustainable source that skips the overfishing problem entirely, since you’re growing the algae the fish would have eaten rather than catching the fish.
Best sustainable pet food packaging
Packaging deserves its own section because it’s where “sustainable” claims are both easiest to make and easiest to fake. Most kibble ships in multi-layer laminated bags that mix plastic and foil, which are technically recyclable almost nowhere and mostly go to landfill. The better options, roughly in order:
- Mono-material films. Single-polymer bags, like Mono-PE, that are actually recyclable in existing polyethylene streams. The whole point is that one material recycles cleanly where a laminate can’t.
- Compostable bags. PLA or wood-pulp films certified to actually break down. The Conscious Pet uses fully compostable bags. Watch for “home compostable” vs “industrial only,” because they’re not the same thing.
- PCR content. Pouches made with post-consumer recycled plastic, which reuses plastic already in circulation.
- Mail-back programs. When a bag can’t be curbside-recycled, some brands run take-back schemes. Portland Pet Food uses TerraCycle mail-back; Wild Earth uses recyclable or compostable packaging.
The Pet Sustainability Coalition ran a 2022 packaging pledge to move members toward recycled, recyclable, refillable, or compostable packaging, and several brands (Open Farm, Instinct, Earth Animal, Petcurean among the names in this space) signed on. Membership isn’t proof, but it’s a reasonable signal alongside the material itself. The tell for greenwashing: a generic recycling logo with no polymer named and no disposal instructions. If they won’t tell you what the bag is made of, assume it’s a laminate.
Ethical dog food: sourcing, welfare, and labor
“Sustainable” and “ethical” overlap but aren’t the same. Sustainable is mostly about footprint; ethical is about how the animals and people in the supply chain are treated. The signals worth trusting:
- Certified Humane on animal-derived ingredients means audited welfare standards, not just a nice word. Open Farm carries it.
- Traceability again, because you can’t make an ethical claim about a supply chain you can’t see. Full ingredient traceability is the backbone here.
- Fair labor in sourcing, which the better brands disclose and the rest stay quiet about.
- Pet Sustainability Coalition membership, which ties welfare, environment, and social responsibility into one framework brands report against.
Earth Animal and Open Farm are the names that come up most when buyers specifically want ethical rather than just low-carbon. If animal welfare is your priority, Certified Humane plus published traceability is the combination to hunt for.
Sustainable pet brands beyond dogs
Most of this guide is dog-first because that’s where the query volume and the product range are, but the same logic covers cats and cross-category buying.
For cats, sustainability comes from responsibly sourced or MSC-certified fish, insect protein, upcycled ingredients, and better packaging, never from cutting animal protein, because cats are obligate carnivores. If you’re new to reading cat labels, my guide to choosing nutritionally complete cat food, including the sustainable and plant-based caveats, walks through what has to be on the bag before anything else.
For certifications that travel across categories, the ones I actually trust are B Corp (whole-company social and environmental audit), MSC (seafood), Certified Humane (welfare), Vegan Society (for plant-based lines), and any brand willing to publish a third-party life-cycle assessment. Instinct, Petcurean, and Earth Animal round out the broader roster of brands making a real effort rather than a logo.
Pet supplements with sustainable ingredients
Supplements are a smaller category but the logic is identical, and the greenwashing is arguably worse because the bottles are tiny and the claims are big. What to look for:
- Responsibly sourced, traceable ingredients. For fish-oil supplements, that means MSC certification or, better for footprint, marine microalgae as the omega-3 source instead of wild fish oil. Microalgae skips overfishing and often skips the fishy smell too.
- Recyclable or refillable packaging. A supplement that ships in a mixed-material pouch or a non-recyclable tub undercuts its own eco pitch. Named-material packaging beats a vague leaf logo here just like it does on food.
- Third-party testing. Sustainability aside, a supplement should be independently tested for what’s actually in it. A brand that publishes both its testing and its sourcing is doing the work.
Treat “sustainable supplement” claims with the same skepticism as food. If the label says eco but names no source and no certification, it’s a bottle with a story.
Greenwashing red flags and how to verify
This is the section I’d read first if I were starting over. The gap between a genuinely sustainable brand and a well-marketed one comes down to specifics. Run any bag through this checklist:
Red flags (be skeptical):
- Vague words (natural, green, eco, planet-friendly) with no certification behind them.
- No ingredient traceability, no answer to “where does the protein come from?”
- A recycling logo with no polymer named and no disposal instructions.
- Carbon-neutral claims with no published data or offset detail.
- Beef as the first ingredient on a “low-footprint” food.
Green flags (trustworthy):
- A published life-cycle assessment with real numbers. The good ones cite specifics, like cutting emissions around 75 percent and water around 54 percent versus a conventional equivalent.
- Named certifications you can independently check: B Corp, MSC, Certified Humane, Vegan Society.
- Full ingredient traceability and disclosed sourcing.
- Packaging material named, with clear end-of-life instructions.
- An AAFCO complete-and-balanced statement, so nutrition isn’t being traded away.
If a brand publishes numbers and certifications, believe them. If it publishes adjectives, don’t. That single rule filters most of the market.
How sustainable food fits the rest of your dog’s footprint
Food is 95 percent of the impact, but it’s not the whole picture, and a few of these trade-offs are worth thinking through together.
Raw feeders often ask how their diet stacks up. My roundup of how raw diets compare on nutrition and environmental footprint versus sustainable kibble gets into the meat-intensity trade-off, since raw is nutritionally appealing but usually heavier on animal protein. If you like minimally processed food but hate packaging waste, freeze-dried options weigh that trade-off between processing and packaging differently, shipping light like dehydrated food does. Fresh brands are their own case: Freshpet and The Farmer’s Dog carry real cold-chain and packaging costs that offset some of the ingredient-quality gains, so it’s worth reading before you assume fresh equals green.
And the footprint doesn’t end at the bowl. Switching to compostable waste bags is the easy win beyond food for cutting your dog’s overall plastic load. If the premium pricing on sustainable food is a stretch, affordable everyday options that still meet AAFCO let you mix a sustainable topper with a cheaper complete base rather than paying premium for every meal.
My honest take
If I had to hand one bag to a friend who wanted lower impact without a research project, it’s Open Farm, because traceability plus Certified Humane plus a published carbon number covers three of the four levers at once and it’s easy to buy. If the friend cared most about raw footprint and had an allergy-prone dog, I’d point them at Yora or Jiminy’s insect protein instead, with the honest caveat that a few dogs turn their nose up at it. Wild Earth and Bond are the interesting future, but I’d treat them as early adopters’ picks, not defaults.
What I wouldn’t do is buy on the strength of a leaf logo. The brands doing real work publish numbers and certifications, and the ones that don’t are counting on you not to ask. Ask.
For a nutrition-first comparison that isn’t filtered through sustainability at all, my broader roundup of top-rated dog foods is the companion piece; feed the dog well first, then optimize for the planet.
Related reading
- Best raw dog foods: how raw diets compare on nutrition and environmental footprint versus sustainable kibble.
- Best freeze-dried dog food: minimally processed food weighed against packaging waste.
- Freshpet vs The Farmer’s Dog: fresh brands and their packaging and cold-chain trade-offs.
- Best compostable dog poop bags: cutting your dog’s footprint beyond food.
- Best budget dog foods: affordable options for balancing sustainability against cost.
- How to pick cat food: nutritionally complete choices for cats, with sustainable and plant-based caveats.
- Best dog foods: our broader roundup, judged on nutrition first.