Sustainable Filter"Sustainable" Has No Single Legal Definition
Unlike USDA Organic, Made in USA, or Energy Star, the word "sustainable" is not defined or regulated by any U.S. federal agency as it applies to consumer products.[1] The Federal Trade Commission's Green Guides provide guidance on environmental marketing claims — including warnings against vague or unsubstantiated claims — but "sustainable" itself is so broad that no single certification or standard fully captures it.[2]
This creates a landscape where multiple credible certifications address different dimensions of sustainability — environmental impact, business practices, forestry sourcing, carbon emissions — and a product may legitimately carry some but not all of them. Understanding what each certification actually requires is essential to evaluating any sustainability claim.
We require at least one verified third-party certification addressing a specific, measurable dimension of sustainability — not brand self-reporting, marketing language, or general "eco-friendly" claims. The certifications we accept are detailed below with their requirements.
B Corp Certification — Whole-Business Sustainability
B Corp certification, administered by the nonprofit B Lab, assesses a company's entire social and environmental performance across five impact areas: workers, community, customers, environment, and governance.[3]
To become B Corp certified, a company must:
- Score at least 80 out of 200 points on the B Impact Assessment (median score of businesses that complete the assessment is around 50)
- Have their score verified by B Lab through a documentation review and on-site audit process
- Amend their legal governing documents to require their board to consider the interests of all stakeholders — not only shareholders[4]
- Recertify every three years with updated assessments
B Corp certifies the company, not individual products. A B Corp company's products all carry implicit sustainability credentials through business practice, but individual products are not assessed separately. As of 2024, over 9,000 companies across 100 countries are B Corp certified.[5]
FSC Certification — Responsible Forestry and Wood Products
The Forest Stewardship Council (FSC) certifies that wood, paper, and fiber products come from responsibly managed forests that protect biodiversity, worker rights, and community interests.[6] FSC certification operates at two levels:
- Forest Management certification — the forest itself is managed to FSC standards, assessed by independent third-party auditors
- Chain of Custody certification — tracks FSC-certified material through every stage of processing and manufacturing to the final product
FSC is particularly relevant for TheGoodFilter's Home & Kitchen category — wooden cutting boards, furniture, paper products, and packaging materials. Products carrying the FSC label must maintain chain-of-custody certification at every point in their supply chain.
Climate Neutral Certification
Climate Neutral (now operating as Change Climate) certifies that a brand has measured its full carbon footprint, purchased sufficient carbon offsets to neutralize it, and has a plan to reduce emissions over time.[7] The process requires:
- Measurement: Brands must quantify all Scope 1, Scope 2, and key Scope 3 emissions using approved methodologies
- Offsetting: All measured emissions must be offset through certified, verified carbon projects in the same certification year
- Reduction commitment: Brands must publish a publicly available action plan to reduce emissions year over year
- Annual recertification: The process repeats each year — certification lapses if not renewed
A significant body of research has found that many carbon offset projects — particularly forestry-based offsets — deliver less carbon benefit than claimed.[8] "Carbon neutral" via offsets is meaningfully different from genuinely zero-emission operations. TheGoodFilter tags Climate Neutral certified products as sustainable while noting this distinction in product detail pages where relevant.
1% for the Planet
1% for the Planet is a membership organization through which businesses commit to donating at least 1% of annual gross sales to approved environmental nonprofit partners.[9] Unlike B Corp or FSC, it does not assess a company's environmental practices directly — it certifies the commitment to environmental giving.
1% for the Planet is most meaningful as a signal of environmental commitment rather than a direct measure of sustainable practices. TheGoodFilter accepts it as one qualifying certification when combined with other evidence of sustainable business practices.
Spotting Greenwashing
Greenwashing refers to misleading environmental claims — either exaggerated, unsubstantiated, or irrelevant to the product's actual environmental impact. The FTC's Green Guides identify several prohibited practices:[10]
| Claim Type | Red Flag Indicators | What to Look For Instead |
|---|---|---|
| Vague environmental claims | "Eco-friendly," "green," "sustainable," "earth-conscious" with no specifics | Named certifications (B Corp, FSC, Climate Neutral) with verifiable claim |
| Irrelevant claims | "CFC-free" (CFCs have been banned since 1996 — all products are CFC-free) | Claims addressing actual relevant environmental impacts of the product category |
| Hidden trade-offs | "Made from recycled materials" when manufacturing is highly polluting | Third-party life-cycle assessments covering the full product footprint |
| False certifications | Made-up or self-designed "eco" seals that look like third-party certifications | Certifications from recognized independent bodies (B Lab, FSC, etc.) |
The FTC's Green Guides (16 CFR Part 260) prohibit environmental marketing claims that are unfair or deceptive. The FTC has taken enforcement action against companies for unsubstantiated "eco-friendly," "sustainable," and "biodegradable" claims. The Green Guides were last updated in 2012 and the FTC has signaled a forthcoming revision to address newer claim types including carbon neutral and net zero.[11]
"Sustainable" is a meaningful goal but an unregulated word. The difference between a genuinely sustainable product and greenwashed marketing is third-party certification with transparent, audited requirements. Look for B Corp, FSC, Climate Neutral, or equivalent — not just the word "sustainable" on the packaging.
How TheGoodFilter Verifies Sustainable Claims
Our Standard
TheGoodFilter requires at least one current, verifiable third-party certification before displaying the Sustainable tag. Brand marketing language alone — however sincere — does not qualify. We accept B Corp, FSC (Chain of Custody), Climate Neutral, and 1% for the Planet as qualifying certifications, with confidence scores weighted by the rigor of each program's verification process.
We acknowledge that no single certification captures the full picture of sustainability. A product can be FSC-certified on materials while having a significant carbon footprint, or be Climate Neutral while having poor labor practices. Where we have information about multiple dimensions, we note it. Where we don't, we display what we can verify and nothing more.
- 1Federal Trade Commission. (2012). Guides for the Use of Environmental Marketing Claims (Green Guides), 16 CFR Part 260. The FTC Green Guides address specific environmental claims but do not define "sustainable" as a regulated term — citing its breadth as making a single definition impractical. https://www.ftc.gov/legal-library/browse/rules/guides-use-environmental-marketing-claims-green-guides ↩
- 2Federal Trade Commission. (2012). FTC Green Guides: Summary of Provisions. The Green Guides prohibit unqualified general environmental claims ("eco-friendly," "sustainable") unless the advertiser can substantiate that the product has no or only minor specific and meaningful environmental impacts across its lifecycle. https://www.ftc.gov/news-events/topics/truth-advertising/green-guides ↩
- 3B Lab Global. (2024). B Corp Certification. B Lab describes the five impact areas assessed in the B Impact Assessment and the requirements for legal accountability and third-party verification. https://www.bcorporation.net/en-us/certification/ ↩
- 44B Lab Global. (2024). Legal requirements for B Corp certification. All B Corp companies must amend their governing documents to require directors to consider the interests of workers, community, and environment — not only shareholders — in decision-making. https://www.bcorporation.net/en-us/certification/legal-requirements/ ↩
- 5B Lab Global. (2024). The B Corp community. As of 2024, more than 9,000 companies across more than 100 countries and 160 industries are Certified B Corporations. https://www.bcorporation.net/en-us/find-a-b-corp/ ↩
- 6Forest Stewardship Council. (2024). FSC Certification. FSC describes its forest management and chain-of-custody certification standards, independent third-party auditor requirements, and the tracking methodology for certified materials through the supply chain. https://fsc.org/en/certification ↩
- 7Climate Neutral / Change Climate. (2024). Certification process. Describes the three-step measurement, offsetting, and reduction commitment process required for Climate Neutral certification, including annual recertification requirements. https://www.climateneutral.org/how-it-works ↩
- 8West, T. A. P., Börner, J., Sills, E. O., & Kontoleon, A. (2020). Overstated carbon emission reductions from voluntary REDD+ projects in the Brazilian Amazon. Proceedings of the National Academy of Sciences, 117(39), 24188–24194. Analysis finding that many voluntary forest carbon offset projects delivered significantly less carbon benefit than credited. https://doi.org/10.1073/pnas.2004334117 ↩
- 91% for the Planet. (2024). About 1% for the Planet. Overview of the membership program requiring member businesses to contribute at least 1% of annual gross sales to approved environmental nonprofit partners. https://www.onepercentfortheplanet.org/about ↩
- 10Federal Trade Commission. (2012). Guides for the Use of Environmental Marketing Claims, 16 CFR Part 260. The Green Guides identify specific prohibited claim types including unqualified environmental claims, overclaiming on certifications, and claims that are technically true but mislead consumers. https://www.ftc.gov/legal-library/browse/rules/guides-use-environmental-marketing-claims-green-guides ↩
- 11Federal Trade Commission. (2022). FTC seeks public comment as it reviews Green Guides. The FTC announced a review of the Green Guides to address new environmental claim types including carbon neutral, net zero, and claims about carbon offsets. https://www.ftc.gov/news-events/news/press-releases/2022/12/ftc-seeks-public-comment-it-reviews-green-guides ↩
- 12B Lab Global. (2024). Find a B Corp. The publicly searchable directory of all currently certified B Corp companies, updated as certifications are granted, renewed, or revoked. https://www.bcorporation.net/en-us/find-a-b-corp/ ↩
References
- 1% for the Planet. (2024). About 1% for the Planet. https://www.onepercentfortheplanet.org/about
- B Lab Global. (2024). B Corp certification. https://www.bcorporation.net/en-us/certification/
- B Lab Global. (2024). Find a B Corp. https://www.bcorporation.net/en-us/find-a-b-corp/
- Climate Neutral / Change Climate. (2024). Certification process. https://www.climateneutral.org/how-it-works
- Federal Trade Commission. (2012). Guides for the use of environmental marketing claims (Green Guides), 16 CFR Part 260. U.S. Federal Trade Commission. https://www.ftc.gov/legal-library/browse/rules/guides-use-environmental-marketing-claims-green-guides
- Federal Trade Commission. (2022). FTC seeks public comment as it reviews Green Guides. FTC. https://www.ftc.gov/news-events/news/press-releases/2022/12/ftc-seeks-public-comment-it-reviews-green-guides
- Forest Stewardship Council. (2024). FSC certification. FSC. https://fsc.org/en/certification
- West, T. A. P., Börner, J., Sills, E. O., & Kontoleon, A. (2020). Overstated carbon emission reductions from voluntary REDD+ projects in the Brazilian Amazon. Proceedings of the National Academy of Sciences, 117(39), 24188–24194. https://doi.org/10.1073/pnas.2004334117
Every product tagged Sustainable on our site holds at least one verified third-party certification — B Corp, FSC, Climate Neutral, 1% for Planet, or equivalent.