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A nonprofit environmental standards developer and certification organization for products, services, and institutional sustainability programs.

Last updated August 24, 2026

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Overview

Green Seal is a United States-based nonprofit environmental standard-development and certification organization founded in 1989. It operates an ecolabel program intended to help purchasers distinguish products and services that meet defined benchmarks for environmental performance, human health, and product performance. Rather than selling consumer goods itself, Green Seal develops criteria, evaluates applicants, audits facilities and documentation, and authorizes qualifying products or services to use its registered certification mark. The organization uses a life-cycle perspective when developing standards. Depending on the category, its criteria may address raw-material sourcing, manufacturing impacts, chemical hazards, product performance, packaging, use-phase considerations, and end-of-life management. Certification involves reviewing technical and other supporting information, examining labeling and marketing claims, and, where applicable, conducting on-site audits. Certified organizations must continue to satisfy compliance requirements in order to retain certification. Certified products and services are presented through Green Seal's certified directory. Green Seal's scope has included cleaning products, laundry-care products, personal-care products, sanitary paper, plastic trash bags and can liners, building-restoration products, commercial and institutional cleaning services, and hotels and lodging properties. Its standards have also been used as reference points in environmentally preferable purchasing, green building operations, healthcare sustainability, education, hospitality, and public-sector procurement. More than 100 federal, state, and local purchasing policies have specified or relied on Green Seal criteria, according to the organization's cited reference material. During the 1990s, Green Seal published Choose Green Reports and expanded into technical assistance for public agencies, institutions, and companies. In the early 2000s, its certification activity placed substantial emphasis on building maintenance. Its standards later became relevant to green-building and institutional programs, including criteria referenced by the U.S. Green Building Council's LEED system from 2006 onward, as well as programs associated with Practice Greenhealth, AASHE STARS, and the U.S. Department of Education's Green Ribbon Schools initiative. Green Seal also works beyond individual product certification. Its institutional projects have addressed sustainable purchasing, facilities management, lodging, healthcare, higher education, and government operations. Examples cited in reference material include green-business and green-lodging initiatives in Los Angeles, Chicago, and Pennsylvania; procurement guidance for public agencies and international institutions; and operational or environmental-assessment work for public housing, universities, hospitals, and other facilities. Green Seal is a U.S. member and co-founder of the Global Ecolabelling Network, alongside other national and regional ecolabel programs. Its procedures are described as aligned with relevant expectations for third-party certification, standards development, and environmental labeling, including frameworks associated with the U.S. Environmental Protection Agency, ANSI, and ISO 14020 and 14024. Green Seal's positioning rests on independent, science-oriented verification rather than a simple self-declared marketing claim. Its principal audiences include manufacturers and service providers seeking certification, institutional purchasers, government procurement officials, facility managers, and consumers looking for environmental and health-related product information. The organization remains active as a standards setter, certifier, publisher, and sustainability adviser.

History

Green Seal was founded in 1989 in the United States to establish credible environmental standards and provide certification for products and services. Its model combined standards development with independent assessment: a company could seek certification, but approval depended on meeting published requirements concerning environmental impacts, health considerations, and functional performance. This approach positioned Green Seal as an intermediary between manufacturers making sustainability claims and purchasers seeking a more dependable basis for comparison. In the 1990s, Green Seal published the Choose Green Reports, which translated environmental purchasing issues into guidance for buyers. During the same period, it expanded its work with federal, state, and local governments and with institutions responsible for purchasing, operations, and facilities management. This advisory role complemented the ecolabel itself by helping organizations write procurement specifications, evaluate alternatives, and incorporate environmental considerations into day-to-day operations. In the early 2000s, the certification program concentrated significantly on building-maintenance products and practices. Green Seal's standards later became relevant to the expanding green-building and institutional-sustainability sectors. In 2006, the U.S. Green Building Council's LEED system included references to several Green Seal standards. Other programs and organizations, including Practice Greenhealth, the Association for the Advancement of Sustainability in Higher Education's STARS program, and the U.S. Department of Education's Green Ribbon Schools initiative, also referenced Green Seal standards or certification in their sustainability frameworks. The organization's certification method applies a life-cycle approach. Standards may consider raw-material extraction, manufacturing, product use, reuse, disposal, packaging, chemical composition, and performance. The evaluation process can include technical-data review, examination of labels and promotional materials, and on-site auditing. Certification is not necessarily permanent: ongoing compliance monitoring is required, helping ensure that a certified product or service continues to meet the applicable requirements. Green Seal's certified categories have included building-restoration products, cleaning products, laundry-care products, personal-care products, plastic trash bags and can liners, sanitary paper products, commercial and institutional cleaning services, and hotels and lodging properties. The organization maintains a directory of certified products and services, while its certification mark is registered with the United States Patent and Trademark Office. Green Seal also developed a substantial institutional-project practice. Its reported work has included the City of Los Angeles Green Business and Green Lodging programs, the City of Chicago Green Hotels Initiative, and the Pennsylvania Green Hotels Program. Procurement-related projects have involved the State of California, Los Angeles, Los Angeles County, the National Park Service, Colorado, a multi-state transportation guide, the Inter-American Development Bank, and the World Bank. Other assignments addressed building operations and maintenance for Philadelphia, Pennsylvania public housing, the University of Miami, the Inter-American Development Bank, the World Bank, and the Susquehanna Association for the Blind and Visually Impaired. Green Seal has participated in international ecolabel cooperation as a U.S. member and co-founder of the Global Ecolabelling Network. The network includes programs such as Germany's Blue Angel, the EU Ecolabel, and the Nordic Swan. Green Seal's stated operating framework is consistent with expectations for third-party certifiers, standards-development organizations, and environmental labels associated with the EPA, ANSI, and ISO 14020 and 14024. In addition to certification and consulting work, it has published sustainability guides covering food and beverage services, public-housing operations and maintenance, and green purchasing. Its continuing role is that of a nonprofit standards setter, certifier, publisher, and institutional sustainability adviser.

  • 2010

    Purchaser recognition is documented

    [1]

    A Responsible Purchasing Network study cited by the reference material reports substantial recognition and use of Green Seal among purchasers.

  • 2006

    Green Seal standards enter LEED criteria

    [1]

    Several Green Seal standards are referenced in the U.S. Green Building Council's LEED rating system.

  • 1990

    Choose Green Reports and purchasing assistance expand

    [1]

    During the 1990s, Green Seal publishes Choose Green Reports and provides technical assistance for public-sector and institutional environmental purchasing and facilities management.

  • 1989

    Green Seal is founded

    [1]

    Green Seal begins operating as a nonprofit environmental standards and certification organization in the United States.

Products and positioning

Independent, science-based environmental certification emphasizing product performance, human health, life-cycle impacts, and third-party verification.

  • Environmental certification · 1989

    Green Seal Certification

    Green Seal evaluates products and services against category-specific standards covering environmental, health, and performance requirements. The process can involve technical-data review, examination of labels and promotional claims, and on-site auditing. Certified organizations must maintain compliance through continuing monitoring. The resulting certification mark gives purchasers a third-party signal rather than relying solely on a supplier's self-declared environmental claim.

  • Standards development · 1989

    Green Seal Environmental Standards

    Green Seal develops standards for categories including cleaning, laundry care, personal care, sanitary paper, plastic trash bags and can liners, building restoration, commercial and institutional cleaning services, and lodging. The standards use a life-cycle perspective and may address raw materials, manufacturing, use, reuse or disposal, chemical hazards, packaging, and functional performance.

  • Certification directory

    Green Seal Certified Directory

    The certified directory lists products and services that have completed Green Seal's evaluation and certification requirements. It functions as a reference for consumers, institutional buyers, government procurement officials, and facilities managers searching for certified offerings.

  • Sustainability publications · 1990

    Choose Green Reports

    Choose Green Reports were a series of purchasing guides published during the 1990s. They helped buyers understand environmental procurement choices and formed part of Green Seal's broader technical-assistance work with governments, institutions, and facilities-management organizations.

Marketing campaigns

  • City of Los Angeles Green Business Program

    United States

    Green Seal contributed to a Los Angeles program intended to support greener business practices and environmental operations.

  • City of Los Angeles Green Lodging Program

    United States

    Green Seal worked with Los Angeles on a lodging-focused sustainability program addressing environmental practices in hospitality operations.

  • City of Chicago Green Hotels Initiative

    United States

    Green Seal participated in Chicago's initiative to encourage more sustainable hotel operations.

  • Pennsylvania Green Hotels Program

    United States

    Green Seal contributed to a Pennsylvania program focused on environmental improvements in the hotel sector.

Brand decisions

  • 2006

    Expansion of relevance through LEED referencesStrategy

    Background

    Green-building rating systems were becoming an important channel for environmental standards and purchasing specifications.

    Action taken

    Several Green Seal standards were included among the criteria referenced by the LEED rating system.

    Aftermath

    Green Seal standards gained additional visibility among building owners, designers, facility managers, and institutional purchasers.

  • Adoption of life-cycle environmental certificationStrategy

    Background

    Green Seal's standards address impacts across stages such as raw-material extraction, manufacturing, use, reuse, and disposal, rather than limiting evaluation to a single environmental attribute.

    Action taken

    The organization incorporated life-cycle, health, environmental, and performance criteria into its standards and certification assessments.

    Aftermath

    This approach enabled Green Seal criteria to be used across product certification, sustainable procurement, green-building programs, and institutional operations.

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