Key Skills Session 2
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What does Life Cycle Thinking (LCT) emphasize?

  • Focusing only on production efficiency
  • Considering environmental, social, and economic impacts throughout a product's life cycle (correct)
  • Maximizing profits during the manufacturing stage
  • Limiting assessments to the disposal phase of a product
  • In which levels can Life Cycle Assessment (LCA) be applied?

  • Only at the production site
  • Government policy enforcement
  • Products level and corporate level (O-LCA) (correct)
  • Supply chain management only
  • Which of the following best represents the goal of Sustainable Development in relation to LCT?

  • Balancing environmental, social, and economic factors for future generations (correct)
  • Maximizing short-term profits
  • Reducing manufacturing costs
  • Increasing market share through product sales
  • Which stage of the product life cycle does LCT encourage to improve resource consumption?

    <p>Every stage of the life cycle (C)</p> Signup and view all the answers

    How can pollution transfer be avoided according to Life Cycle Thinking?

    <p>By considering the life cycle system in its entirety (B)</p> Signup and view all the answers

    What is the relationship between Life Cycle Management and LCT?

    <p>Life Cycle Management is a practical application of Life Cycle Thinking (A)</p> Signup and view all the answers

    What role does each actor have in the context of Life Cycle Thinking?

    <p>A role to play from cradle to grave/cradle (A)</p> Signup and view all the answers

    What does the term 'cut-off rules' refer to in the context of system boundaries?

    <p>Criteria for excluding certain materials based on specific measures. (B)</p> Signup and view all the answers

    Which of the following is NOT a defined LC phase according to the system boundaries?

    <p>Gate to Cradle (C)</p> Signup and view all the answers

    In the context of LCA, what aspect does the 'level of scrutiny' refer to?

    <p>The depth of detail considered for different life cycle stages. (C)</p> Signup and view all the answers

    How does the example of the MIT LCA study on hand dryers define the primary region of focus?

    <p>By focusing primarily on use in the United States. (A)</p> Signup and view all the answers

    Which aspect is NOT considered in the system boundaries of an LCA study?

    <p>The specific materials used in production. (C)</p> Signup and view all the answers

    What is the primary purpose of setting the goal in Life Cycle Analysis (LCA)?

    <p>To evaluate environmental impacts and improve design decisions (C)</p> Signup and view all the answers

    Which question is NOT part of defining the goal and scope in an LCA?

    <p>When will the LCA process begin? (B)</p> Signup and view all the answers

    In the context of the example study on hand dryers, who is the primary target audience?

    <p>Design and engineering teams as well as the public (C)</p> Signup and view all the answers

    What is a potential outcome of conducting an LCA according to the identified goals?

    <p>Enhanced brand value for competitive differentiation (C)</p> Signup and view all the answers

    Why is it important to identify impact drivers in an LCA?

    <p>To target factors influencing environmental impacts (D)</p> Signup and view all the answers

    Which of the following is NOT a reason for conducting an LCA?

    <p>Develop a marketing strategy (C)</p> Signup and view all the answers

    How does addressing the 'WHY' question in an LCA help the study?

    <p>It defines the specific objectives of the study. (C)</p> Signup and view all the answers

    Which aspect is crucial when deciding 'WHO' the results of an LCA will be for?

    <p>The stakeholders who will use the findings (A)</p> Signup and view all the answers

    What is a benefit of informing product design decisions through LCA?

    <p>It helps to create more environmentally friendly products. (A)</p> Signup and view all the answers

    Who is considered the first audience for life cycle environmental impact analysis?

    <p>Any interested party wanting to understand the data and assumptions (B)</p> Signup and view all the answers

    What must be established in the goal and scope of a Life Cycle Assessment?

    <p>A fair basis to compare options (A)</p> Signup and view all the answers

    Which of the following describes a product's function in a Life Cycle Assessment?

    <p>An action describing the product’s purpose or its components’ purposes (C)</p> Signup and view all the answers

    What are basic functions in the context of a product's function?

    <p>Core actions the product is designed to perform (D)</p> Signup and view all the answers

    Which of the following best describes a functional unit in a Life Cycle Assessment?

    <p>The quantified performance of a system of products serving as a reference (D)</p> Signup and view all the answers

    What is a crucial aspect of selecting a functional unit for a Life Cycle Assessment?

    <p>It should relate to a quantity of service rather than physical product (C)</p> Signup and view all the answers

    Which example is NOT considered a basic function for the Node chair?

    <p>Store student’s belongings (D)</p> Signup and view all the answers

    Additional functions of a product refer to which of the following?

    <p>Enhancements that provide extra value to the user (C)</p> Signup and view all the answers

    In life cycle assessment, who are the Dyson engineers primarily focused on?

    <p>Understanding drivers of environmental impact (B)</p> Signup and view all the answers

    What is a common mistake in defining functional units?

    <p>Assuming physical quantity equals function (B)</p> Signup and view all the answers

    Which represents an overly restrictive definition of a functional unit?

    <p>Active usage of product for 10,000 hours (D)</p> Signup and view all the answers

    What are system boundaries in LCA related to?

    <p>Environmental impacts and unit processes (C)</p> Signup and view all the answers

    What defines elementary flows in the context of LCA?

    <p>Emissions that directly enter the environment (D)</p> Signup and view all the answers

    What are non-elementary flows characterized by?

    <p>Intermediate products or wastes between actors (C)</p> Signup and view all the answers

    Which of the following is NOT a mistake when defining functional units?

    <p>Application of broad definitions (D)</p> Signup and view all the answers

    In LCA, what does 'cradle to gate' refer to?

    <p>Assessment from resource extraction to delivery (D)</p> Signup and view all the answers

    Why are incorrect uses of technical standards often a mistake in functional unit definition?

    <p>They may not reflect environmental efficiency (B)</p> Signup and view all the answers

    Which of the following best exemplifies an incorrect interpretation of a functional unit?

    <p>10,000 hours of usage for performance (D)</p> Signup and view all the answers

    What is an example of a common misconception regarding functional units?

    <p>Physical quantity equates to functionality (A)</p> Signup and view all the answers

    Flashcards

    Life Cycle Thinking (LCT)

    Considering the environmental, social, and economic impacts of a product throughout its entire lifespan, not just production.

    Life Cycle Assessment (LCA)

    A process that evaluates the environmental impact of a product at all stages of its life cycle.

    LCA Stages

    Different phases in a product's life cycle (design, component processing, production, etc.), each with potential for environmental impact reduction and improvement.

    Product Life Cycle Stages

    The series of phases a product goes through from its creation to its disposal, impacting its lifecycle assessment.

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    Sustainable Development

    The development that meets the needs of the present without compromising the ability of future generations to meet their own needs – a driver of Life Cycle Thinking.

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    Life Cycle Management

    Overall management of a product's entire lifecycle with its environmental, social and economic impacts considered.

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    Pollution Transfer

    Shifting the environmental impact of a product or process from one stage of its lifecycle to another, often from one region or entity to another.

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    Why LCA?

    The reason or purpose behind conducting a Life Cycle Assessment (LCA). It defines the specific objectives and goals of the study.

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    LCA Target Audience

    The group of people for whom the LCA results are intended. This might be internal teams, suppliers, the public, or even competitors.

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    LCA Scope

    The specific aspects, boundaries, and limitations of the LCA. It determines what is included in the study and what is excluded.

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    LCA Goal Setting

    The process of defining the clear objectives and ambitions of the LCA study. It guides the analysis and ensures that the information gathered is relevant and valuable.

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    Example: LCA on Hand Dryers

    An example of an LCA study examining the environmental impact of different hand dryers, with specific goals to evaluate impact, identify key factors, and inform design decisions.

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    LCA: Assess Impacts

    One of the key goals of an LCA is to understand the environmental, health, and potentially social impacts of a product throughout its lifecycle.

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    LCA: Improve Design

    LCA results can help identify areas for improvement in product design, leading to more sustainable and environmentally friendly products.

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    LCA: Procurement Decisions

    LCA results help make informed procurement decisions by considering the environmental performance of different products or materials.

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    LCA: Communicate and Achieve Compliance

    LCA findings can support communication initiatives and help demonstrate compliance with regulations and sustainability goals.

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    LCA Function

    An action describing the product's purpose or the product's components' purpose(s). A simple way to describe a function: verb + complements.

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    Basic Function

    The essential purpose of a product, focusing on its core capabilities.

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    Additional Function

    Secondary features or capabilities of a product beyond its core function, offering extra benefits.

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    Functional Unit (FU)

    A quantified measure of a product's performance or service, used as a reference point for comparison in an LCA study.

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    How is the FU Related to Function?

    The FU should be a quantifiable measure of the product's performance or service, directly related to its function.

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    What could FU be for a chair?

    A functional unit for a chair could be 'hours of sitting' or 'number of sittings' to quantify its use.

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    What is the FU for a hand dryer?

    A functional unit for a hand dryer could be 'number of hands dried' or 'litres of water removed'.

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    What is the FU for an electric car?

    A functional unit for an electric car could be 'kilometres driven' or 'passenger-kilometres' to consider its transport service.

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    What are system boundaries in LCA?

    System boundaries define the scope of an LCA study by specifying which life cycle stages are included (e.g., Cradle to Gate, Cradle to Grave, Cradle to Cradle) and the level of scrutiny for each stage, such as cut-off rules.

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    Cut-off rules in LCA

    Cut-off rules determine which elements of a product's life cycle are excluded from an LCA study. These rules can focus on aspects like weight, cost, or environmental impact.

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    Cradle to Grave

    A life cycle assessment that considers the environmental impact from raw material extraction to final disposal or end-of-life.

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    Cradle to Gate

    A life cycle assessment that considers the environmental impact from raw material extraction to the point of delivery or sale.

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    Cradle to Cradle

    A life cycle assessment that considers the environmental impact from raw material extraction to the point where the product is recycled or reused.

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    FU Mistake: Quantity = Function

    Assuming that the same physical quantity of a product means the same functionality. For example, 1 kg of packaging material might offer different levels of protection depending on its type.

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    FU Mistake: Overly Restrictive

    Defining the FU too narrowly, limiting potential solutions and making comparisons less meaningful.

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    FU Mistake: Technical Standards Focus

    Overemphasis on technical standards or legal requirements in the FU definition, which may not fully represent the actual function of the product.

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    System Boundaries

    The lines that define what is included and excluded in a Life Cycle Assessment (LCA) study. It determines the scope of the assessment.

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    Technosphere

    The part of the world influenced by human activities, including the production, consumption, and disposal of goods and services.

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    Ecosphere

    The natural environment, including air, water, soil, and living organisms, which is affected by human activities.

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    Elementary Flows

    Direct interactions of a product or process with the environment, such as resource extraction or emissions.

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    Non-Elementary Flows

    Interactions between different actors in a product's life cycle, including material and product exchanges between companies.

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    Study Notes

    SKEMA Business School - Key Skills for Corporate Transition: Life Cycle Assessment

    • This presentation is about key skills for corporate transition, with a focus on life cycle assessment (LCA).
    • The presenter is Professor Yoann Guntzburger, Ph.D.
    • The target audience is SKEMA PGE M1 S1 - 2024 students.

    Introduction

    • There is a QR code to access a participation platform (wooclap.com)
    • The event code is LCAPGE
    • Participants can also use SMS by sending @LCAPGE to 06 44 60 96 62.

    Session's Overview

    • Life cycle approaches are important for sustainable business decisions.
    • LCA is used to move beyond life cycle thinking by systematically assessing all impacts over the product's entire life cycle.
    • LCA frameworks and limitations are also discussed.

    Importance of Life Cycle Approaches to Sustainable Business Decisions

    • Sustainability is a megatrend currently transforming companies due to various pressures.
    • These pressures include: Regulation, Investor (ESG), Consumer/Stakeholder, Employee, Competition, Cost & Risk, and Awareness-raising.

    Sustainable Value Creation

    • Companies improve sustainability performance by gaining competitive advantages and enhancing reputation.
    • Strategies include reducing risks and costs of scarce resources, developing more sustainable (e.g., environmental/social) products and processes, and targeting specific environmental and social needs.

    Sustainable Value Creation: Value Creation

    • It describes actions using both tangible and intangible organizational assets to increase the worth of goods/services or a business as a whole.
    • Value equals monetary worth.

    Sustainable Value Creation: Sustainable Value Creation

    • It's about the organization's actions that increase the economic, social, and environmental value of goods and services within the business while ensuring sustainable value creation capacity.

    The Big Question Remains...

    • The key question is how to make sure sustainable decisions are made.

    5 Main Purposes of LCA Applications

    • Decision support for product and process development (R&D)
    • Marketing purposes (e.g., eco-labeling)
    • Developing and selecting environmental indicators for product/plant monitoring
    • Selection of suppliers/subcontractors
    • Strategic planning

    Two Levels of Applications

    • Products (goods and services) level
    • Corporate level: Organizational LCA (O-LCA)

    From Life Cycle Thinking (LCT) to Life Cycle Assessment (LCA)

    • A visual diagram shows the phases of a product's life, from raw materials to end-of-life, including manufacturing, use, and disposal.
    • The diagram indicates different environmental impacts at each stage, e.g., carbon footprint, water footprint, and impact on ecosystems.

    From LCT to LCA

    • A simplified diagram of the steps required to successfully implement Life Cycle Management (LCM) in a business.
    • Breakdown of Life Cycle Thinking (LCT) into the stages of Mindset, Integration into Practice, Management, and LCA.
    • LCM touches on Policy/Strategy, Processes, Concepts/Programs, Tools/Tech, and Data/Models.

    Life Cycle Thinking

    • Definition: LCT is a holistic perspective beyond production, encompassing product impacts over the entire life cycle.
    • Sustainable development is both the origin and objective of LCT.

    Life Cycle Thinking: Lifecycle Diagram

    • Presents a typical product life cycle diagram.
    • Highlights the potential for reducing resource consumption and improving product performance at each stage of the product life cycle.
    • Emphasizes the need to consider the entire life cycle system to avoid pollution transfer.
    • Each actor from "cradle to grave" has a role to play.

    Life Cycle Thinking: Example: The Life Cycle of a T-Shirt

    • Asks what the stages of the T-shirt life cycle are and the main environmental impact of each stage.
    • Shows a diagram of a T-shirt Lifecycle and the environmental issues.

    Life Cycle Thinking: Lifecycle of a T-Shirt: Social Issues

    • Diagram showing the social issues during the T-shirt Lifecycle, including child labor, low wages, worker health & safety. Discusses labor rights issues and community health impacts.

    Life Cycle Thinking

    • Shift in mindset: a holistic perceptive.
    • Recognizing how choices influence all life cycle steps.
    • Innovation potential: considering both opportunities and risks from raw materials to disposal.

    Life Cycle Thinking (Quiz) – Participation Platform

    • Instructions on how to access the quiz through a website (wooclap.com)
    • Event code provided (LCAPGE)

    Life Cycle Management (LCM)

    • A set of practices used to target, organize, analyze and manage product/service related info/activities toward continuous improvement.
    • Includes systematic integration of sustainable strategies into product design, development, and purchasing decisions.
    • Fosters a holistic perspective of interdependencies within and between businesses.

    Life Cycle Management

    • Diagram of a circular flow of various concepts and tools/techniques like Sustainable Development, Triple Bottom Line, Dematerialization, etc, within a life cycle management context.

    Life Cycle Assessment (LCA)

    • LCA is a quantitative method to assess environmental impacts associated with a product's life cycle (or product – process – service).
    • It's a decision-making tool for sustainability management, aiding in evaluating multiple options.

    Life Cycle Assessment (LCA)

    • Strengths of LCA: scientifically based and data-driven, comprehensive integration of impact categories (like climate change, resource depletion), and framed by international standards (ISO 14040 series).
    • Prevents pollution shifting.

    Life Cycle Assessment (LCA) – Pollution Shifting

    • Diagram illustrating the concept of pollution shifting, showing potential environmental impacts at different stages.

    LCA - How Does It Work?

    • Diagram outlining the process of LCA, illustrating how product/service system data are used with environmental models and impact results are processed through calculation.
    • Provides an overview of the software & databases used in LCA studies (ecoinvent, Gabi, USDA).

    Full LCA – A Standardized Process

    • Description of the history, development, and key organizations (SETAC, UNEP, ISO) involved in standardizing LCA methodology.
    • Discusses the ISO standards relevant in environmental management systems and Life Cycle Assessment.

    Life Cycle Assessment (LCA) Methodology

    • Description of a 4+1 step LCA methodology: goal, scope definition, inventory analysis (LCI), impact assessment, interpretation & critical review

    LCA – Step 1: Goal & Scope

    • 4 questions (WHY, WHO, WHAT, WHERE) to define the LCA goals and scope.
    • Examples of LCA studies (e.g., hand dryers).
    • Discusses target audiences and the importance of defining the functional unit and the system boundaries.

    LCA – Step 1: Goal & Scope

    • Importance of establishing a clear goal for the LCA, including identifying the specific questions & objectives.
    • Example from a MIT study commissioned by Dyson about hand-dryer systems.
    • Details on who the target audience was for this specific study.

    LCA – Step 1: Functional Unit

    • LCA requires a fair basis to compare options.
    • A product's function is an action describing its purpose or components' purpose(s)
    • A simple way to describe a function is: verb + complements.
    • Illustrative examples of functions are provided (node chair).

    LCA – Step 1: Functional Unit (Examples)

    • Examples of functional units, with a focus on clarifying the intended use in the study, emphasizing the relation between the function of a product and the quantity of service provided.
    • Three common mistakes when defining FU are pointed out.

    LCA – Step 1: System Boundaries

    • System boundaries are introduced, focusing on defining and quantifying environmental impacts from the different phases and sources of the system.
    • Distinguishes between "cradle to gate" and "cradle to grave" or "cradle to cradle."

    LCA – Step 1: System Boundaries (Cut-Off Rules)

    • Guidelines for defining cut-off rules for the scope of a given LCA study, such as those concerned with weight, cost, or environmental aspects contribution.

    LCA – Step 2: Life Cycle Inventories (LCI)

    • An LCI is a list of quantified elementary flows (resources and emissions), and secondary flows (intermediate and final products/waste) needed for the functional unit.
    • The data is categorized by inputs (materials, energy, water, air) and outputs (waste, effluents, emissions).

    LCA – Step 3: Impact Assessment (LCIA)

    • The objectives are to understand and evaluate the magnitude and significance of potential environmental impacts and choice of databases and specific impact assessment methods.
    • Methods and considerations when choosing the appropriate database and impact assessment method.
    • Importance of the impact categories (midpoint and endpoint).
    • Categories, relevant regulations, and the company's environmental agenda are vital considerations.
    • Example: IMPACT 2002+ categories and endpoint categories of protection.

    LCA – Step 3: Impact Assessment - Databases

    • Presentation of various LCA databases like IMPACT 2002+, Eco-Indicator 99, CML 2001, and other relevant impact assessment methods and databases.

    LCA – Step 3: Impact Assessment - Categorization

    • Three main steps to reconcile different flow quantities into specific impact categories.
    • Categorization, characterization, normalization, and weighting, which relate to the quantities of flows (from LCI) in terms of equivalent quantities of reference substances and consideration of the importance (weighting).

    LCA – Step 3: Impact Assessment - Normalization and Weighting

    • The use of reference exposure and weighting schemes (average annual impact, weights associated with relative and subjective importance).
    • The transformation of the results to create a single score in 'points' (Pt) to measure and combine damage/environmental impacts.
    • Examples of impact results are provided. (e.g., chart showing results of Normalized IMPACT 2002+).

    LCA – Step 4: Interpretation & Conclusion

    • Objectives of the interpretation and conclusion: Analyze results & make recommendations using a sensitivity & uncertainty analysis.
    • How sensitivity and uncertainty analysis can be performed and considerations to be made regarding the interpretation of data and potential limitations.
    • Diagrams illustrating the process.

    Limitations: Decision Making

    • Many decisions are made in an LCA study regarding the functional unit, scope, type of LCA, cut-offs, impact categories, allocations, and weighting.

    Limitations: Data and Model Quality

    • LCA data/model quality issues affecting the process accuracy and reliability, e.g., uncertainties related to parameters, scenarios, or models.
    • Examples of uncertainty source related to the IT sector are considered.

    Limitations of LCA vs Sustainability

    • LCA alone cannot fully determine sustainability.
    • Environmental impacts are only a part of the assessment, although two methods are introduced to help address the sustainability gap, i.e., eLCC (Environmental Life Cycle Costing) and S-LCA (Social Life Cycle Analysis).
    • Additional methods for a more complete sustainability assessment to fill the gap, aligned with ISO 14040 standards. (eLCC and S-LCA)

    Main Challenges to LCA Development

    • Barriers and challenges in implementing sustainability management tools, including LCA, by SMEs are presented, i.e., lack of awareness, knowledge, resources, incentives, flexibility of organizational routines and tool complexity.

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