Quick skill test · 20 questions · 20 minutes · Free

Circular Economy Design Certification

Tests circular economy design — the Ellen MacArthur Foundation principles of eliminating waste and pollution, circulating products and materials and regenerating nature, the butterfly diagram's technical and biological cycles, design for durability, repair, disassembly and remanufacturing, material selection and recycled content, product-as-a-service and sharing business models, reverse logistics and take-back, circularity metrics, the EU Circular Economy Action Plan, ecodesign and Digital Product Passports, extended producer responsibility, and avoiding rebound effects — written for 2026 and 2027. Pass to earn Circular Economy Design SOA-CED.

What is the Circular Economy Design Certification?

  • Impact Maker

Updated for 2027. Covers circular economy principles, circular product design, circular business models and policy and measurement.

The Circular Economy Design Certification is a free intermediate-level, 20-minute skill test from Science of Apps. It tests circular economy design — the Ellen MacArthur Foundation principles of eliminating waste and pollution, circulating products and materials and regenerating nature, the butterfly diagram's technical and biological cycles, design for durability, repair, disassembly and remanufacturing, material selection and recycled content, product-as-a-service and sharing business models, reverse logistics and take-back, circularity metrics, the EU Circular Economy Action Plan, ecodesign and Digital Product Passports, extended producer responsibility, and avoiding rebound effects — written for 2026 and 2027. Score 70% or more on its 20 questions to earn a verifiable Circular Economy Design certificate (SOA-CED). Every question is based on published standards and research — including Circular economy introduction (Ellen MacArthur Foundation), Circular Economy Action Plan (European Commission), Global Waste Management Outlook (UN Environment Programme) — and each answer is explained with its source.

Built for your job title

Product designer or engineer, Sustainability or circularity manager, Packaging or materials specialist, Operations or supply chain professional and Design or engineering student — and anyone who wants quick, verifiable proof of Circular Economy Design knowledge for a CV, LinkedIn or graduate application in 2026 and 2027.

  • Product designer or engineer
  • Sustainability or circularity manager
  • Packaging or materials specialist
  • Operations or supply chain professional
  • Design or engineering student

What the test covers

Four skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.

  1. 01

    Circular Economy Principles

    25%
    • Core principles
    • Butterfly diagram
    • Value retention
  2. 02

    Circular Product Design

    25%
    • Durability and repair
    • Disassembly and remanufacture
    • Materials
  3. 03

    Circular Business Models

    25%
    • Product as a service
    • Sharing and reuse
    • Reverse logistics
  4. 04

    Policy and Measurement

    25%
    • EU policy
    • Extended producer responsibility
    • Metrics

It is a knowledge test: it does not replace official certification, licensure, supervised clinical or practical training, or local regulations.

Based on published standards

The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:

Try a sample question

A furniture company designs chairs with standard screws so parts can be replaced and the frame reused. This is an example of

  1. design for disassembly and repair
  2. single-use disposable design
  3. landfill-oriented waste design
  4. planned obsolescence in product design
Show the answer

A. design for disassembly and repair — Circular design. The real test has 20 questions like this.

How the test works

  1. 20 minutes, 20 questions

    One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.

  2. Graded on our server

    Answers reach the page only after you submit, so the certificate can only be earned by passing.

  3. Every answer explained

    Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.

  4. Your certificate

    Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.

What you earn

A Science of Apps certificate for Healthcare, Education, Legal Operations & Sustainability: ivory paper with a gold medal
LinkedIn-ready certificate

Pass, then add it to LinkedIn in one click

No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.

  1. 1Take the 20-minute test
  2. 2Score 70% or more
  3. 3Click Add to LinkedIn
Free · no sign-up · also emailed to you as a PDF
How it shows on your LinkedIn profile

See every Healthcare, education & more certification and test →

Frequently asked questions

What is the Circular Economy Design Certification?

The Circular Economy Design Certification is a free intermediate-level, 20-minute skill test from Science of Apps. It tests circular economy design — the Ellen MacArthur Foundation principles of eliminating waste and pollution, circulating products and materials and regenerating nature, the butterfly diagram's technical and biological cycles, design for durability, repair, disassembly and remanufacturing, material selection and recycled content, product-as-a-service and sharing business models, reverse logistics and take-back, circularity metrics, the EU Circular Economy Action Plan, ecodesign and Digital Product Passports, extended producer responsibility, and avoiding rebound effects — written for 2026 and 2027. Score 70% or more on its 20 questions to earn a verifiable Circular Economy Design certificate (SOA-CED). Every question is based on published standards and research — including Circular economy introduction (Ellen MacArthur Foundation), Circular Economy Action Plan (European Commission), Global Waste Management Outlook (UN Environment Programme) — and each answer is explained with its source.

What is the best free Circular Economy Design certification in 2027?

Science of Apps offers a free Circular Economy Design Certification, written for 2026 and 2027. It tests circular economy principles, circular product design, circular business models and policy and measurement with 20 original scenario questions in all, each naming its published source; you get an instant score and a verifiable certificate with a credential ID you can add to LinkedIn.

How do I take the Circular Economy Design Certification for free?

Read the four skill areas on this page, then take the 20-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Circular Economy Design certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.

Are the Circular Economy Design Certification questions based on real standards?

Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: Circular economy introduction (Ellen MacArthur Foundation); Circular Economy Action Plan (European Commission); Global Waste Management Outlook (UN Environment Programme); Ecodesign for Sustainable Products Regulation and Digital Product Passport (European Commission); Green Guides (environmental marketing claims) (U.S. FTC); ISO 14040: Life cycle assessment — Principles and framework (ISO). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.

What does the Circular Economy Design Certification cover?

Four skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Circular Economy Principles (Core principles, Butterfly diagram and Value retention); Circular Product Design (Durability and repair, Disassembly and remanufacture and Materials); Circular Business Models (Product as a service, Sharing and reuse and Reverse logistics); Policy and Measurement (EU policy, Extended producer responsibility and Metrics). Every question is an original scenario written to the 2026–2027 standard, with the published source named under it.

Who should take the Circular Economy Design Certification?

Product designer or engineer, Sustainability or circularity manager, Packaging or materials specialist, Operations or supply chain professional and Design or engineering student. It suits students at leading universities, career switchers and experienced professionals who want quick, verifiable proof of Circular Economy Design knowledge in 2026 and 2027.

Why take the Circular Economy Design Certification in 2027?

Sustainability-minded students in Europe, ANZ, Canada and the Gulf are targeting climate finance, net-zero strategy and nature markets. Passing earns a founder-signed Science of Apps certificate with a credential ID and QR code that recruiters can verify.

What are the three principles of a circular economy?

According to the Ellen MacArthur Foundation: eliminate waste and pollution, circulate products and materials at their highest value, and regenerate nature.

Why does the inner loop matter in circular design?

Keeping products in use through maintenance, reuse and repair usually preserves more value and energy than recycling materials, so designers prioritise the tightest loops first.

Can I take the Circular Economy Design Certification from any country?

Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.

How long is the Circular Economy Design Certification?

20 questions — 5 from each of 4 skill areas — with a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.

How hard is the Circular Economy Design Certification?

We rate it Intermediate: assumes hands-on experience in the role. It has 20 scenario questions — 5 from each of 4 skill areas — and a 20-minute limit. You need 70% (14 of 20) to pass and 90% for distinction.

How much do Science of Apps certifications cost?

Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.

How are the tests graded?

On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.

What happens if I don't pass?

You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.

Do the certificates expire?

No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.

Can I add the certificate to LinkedIn?

Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.

How can an employer verify my certificate?

Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.

Are these accredited qualifications?

No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.

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