Circular Economy Assessment Tools: A Critical Review of 74 Micro-Level Approaches

Why It Matters

Understanding the landscape of CE assessment tools is crucial for designers and businesses aiming to transition to more sustainable practices. This review highlights the strengths and weaknesses of existing frameworks, guiding the selection or development of more effective assessment methods.

Key Finding

The study found that while many tools exist to assess circular economy practices at a company or product level, they vary greatly in their methods. Few tools comprehensively include all aspects of sustainable development, and there's a strong recommendation for these tools to build on established methods like LCA and involve end-users and practitioners more directly in their design.

Key Findings

• High methodological diversity exists among CE assessment approaches.
• Only 18 of the reviewed approaches explicitly integrate all three dimensions of Sustainable Development alongside the circular dimension.
• Approximately 25% of the approaches utilize a participatory design methodology.
• There is a call for CE assessment approaches to leverage existing methodologies like Life Cycle Assessment (LCA) and foster closer collaboration between academia and practitioners.

Research Evidence

Aim: To critically review and categorize academic approaches, methods, and tools for assessing the circular economy at the micro-level.

Method: Systematic Literature Review and Critical Framework Analysis

Procedure: A systematic literature review identified 74 academic approaches for CE assessment. These approaches were then analyzed using a critical review framework encompassing general, descriptive, normative, and prescriptive perspectives.

Sample Size: 74 approaches

Context: Academic literature on circular economy assessment at the micro-level (e.g., company or product level).

Design Principle

Holistic Circularity Assessment: Design assessment frameworks that encompass environmental, economic, and social dimensions, leveraging established methodologies and incorporating stakeholder feedback for practical relevance.

How to Apply

When embarking on a design project focused on circularity, researchers and designers should critically evaluate existing CE assessment tools, considering their methodological rigor, scope of sustainability dimensions covered, and the extent to which they incorporate practical user and industry feedback.

Limitations

The review focuses on academic literature, potentially excluding industry-specific or proprietary assessment tools. The 'micro-level' definition might vary across studies.

Student Guide (IB Design Technology)

Simple Explanation: There are many ways academics have tried to measure how 'circular' a company or product is, but they are all very different. The best ones consider not just the environment, but also the economy and society, and they are made with help from people who actually work in businesses.

Why This Matters: Understanding how to measure circularity is essential for designing products and systems that are truly sustainable. This research helps you choose or adapt methods to evaluate your design's circular potential effectively.

Critical Thinking: Given the diversity and limitations of current CE assessment tools, how can designers proactively integrate circular economy principles into their design process without relying solely on post-design assessment?

IA-Ready Paragraph: This research critically reviews 74 academic approaches for assessing circular economy principles at the micro-level, revealing a significant diversity in methodologies. It highlights that many existing tools lack a comprehensive integration of environmental, economic, and social sustainability dimensions. The review emphasizes the value of leveraging established assessment frameworks like Life Cycle Assessment and advocates for greater collaboration between academic researchers and industry practitioners to ensure the practical relevance and effectiveness of these tools in guiding design and business decisions towards circularity.

Project Tips

• When researching circular economy strategies for your design project, look for assessment tools that are well-documented and have a clear methodology.
• Consider how your chosen assessment method aligns with broader sustainability goals beyond just material recycling.

How to Use in IA

• Reference this review when discussing the methodologies available for assessing circular economy principles in your design project, highlighting the need for comprehensive and practical tools.

Examiner Tips

• Demonstrate an understanding of the limitations of various CE assessment tools and justify the choice of a particular methodology for your design project.

Independent Variable: Type of CE assessment approach (e.g., LCA-based, material flow analysis, participatory).

Dependent Variable: Comprehensiveness of Sustainable Development dimensions integrated, methodological rigor, practitioner involvement.

Controlled Variables: Academic literature source, micro-level focus.

Strengths

• Comprehensive systematic review of a large number of academic approaches.
• Development of a structured critical review framework.

Critical Questions

• To what extent do current CE assessment tools truly capture the complexity of circular systems?
• How can the gap between academic assessment tools and practical industry needs be bridged more effectively?

Extended Essay Application

• An Extended Essay could explore the development of a novel, integrated CE assessment framework for a specific product category, drawing upon the strengths and addressing the limitations identified in this review.

Source

A Critical Review of Academic Approaches, Methods and Tools to Assess Circular Economy at the Micro Level · Sustainability · 2020 · 10.3390/su12124973