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Improving Sustainability Management Decisions With Modified Life Cycle Assessment Methods

机译：改进的生命周期评估方法改善可持续发展管理决策

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摘要

Across the globe, organizations and institutions have publicly committed to reducing the environmental impacts associated with their operations. Despite these commitments, progress in integrating sustainability measurement information into core business processes and decision criteria has been limited. To avoid many of the ecological tipping points that society currently faces, it is essential that sustainability measurement systems and decision support tools are improved to be more practically incorporated into business operations and decisions. This dissertation explores the specific sustainability challenges and information gaps that are faced by core business operations in three separate case studies, thereby expanding the sustainability operations management literature in the areas of environmentally preferable procurement, sustainable manufacturing, and green supply chain management. Modified life cycle assessment (LCA) methods are demonstrated in the methodological designs of the respective case studies, which help reduce the complexity of environmental information and the costs of assessment, and increase the specificity to organizations by considering spatial and temporal aspects of operations. Altogether, methods enable optimal management options and trade-offs to be identified, priorities to be set, and increases overall understanding of and ability to manage risks. These elements greatly enhance the actionability of sustainability information to organizational decision makers, helping to lower the barriers for integrating into core organizational processes for reducing the environmental burden of production and consumption systems.;The first essay demonstrates methods in the context of a breakfast cereal manufacturer's purchasing portfolio. Budgets are optimized towards environmental product options that maximize reductions in environmental impacts, staying within specified budgets. The study highlights the additional performance benefits of internal cap and trade approaches, allowing greater flexibility for big impact reduction/high cost product opportunities to be seized. The second essay presents a modified LCA of a cellulosic biorefinery's dynamic co-product portfolio, revealing significant variation in the environmental and economic performance across market scenarios, production constraints and policy assumptions. Results provide guidance to production managers on optimal production pathways that can meet both economic and environmental objectives across scenarios. The third essay presents modified spatial LCA methods applied to company-specific supply chains in the U.S. pork industry. Results show significant variation across supply networks, providing strong support for such spatial assessments in prioritizing resources for supply chain improvement.
机译：在全球范围内，组织和机构已公开致力于减少与其运营相关的环境影响。尽管做出了这些承诺，将可持续性度量信息集成到核心业务流程和决策标准中的进展仍然有限。为了避免社会当前面临的许多生态临界点，至关重要的是，必须改进可持续性度量系统和决策支持工具，以更实际地将其纳入业务运营和决策中。本文在三个独立的案例研究中探讨了核心业务运营面临的具体可持续性挑战和信息空白，从而在环境优先采购，可持续制造和绿色供应链管理领域扩展了可持续性运营管理文献。修改后的生命周期评估（LCA）方法在相应案例研究的方法设计中得到了证明，这有助于降低环境信息的复杂性和评估成本，并通过考虑运营的时空方面提高组织的特异性。总之，这些方法可以确定最佳的管理选项和折衷方案，确定优先级，并增强对风险的整体理解和管理能力。这些元素极大地增强了可持续性信息对组织决策者的可操作性，有助于降低融入核心组织流程以减少生产和消费系统的环境负担的障碍。采购组合。预算针对环境产品选项进行了优化，以最大程度地减少对环境的影响，并保持在指定的预算范围内。该研究强调了内部上限和交易方法的其他性能优势，从而为更大程度地减少影响/抓住高成本的产品机会提供了更大的灵活性。第二篇文章介绍了纤维素生物精炼厂动态副产品组合的修改后的生命周期评价，揭示了市场情景，生产限制和政策假设之间环境和经济绩效的重大差异。结果可为生产经理提供最佳生产途径的指导，这些生产途径可同时满足各种情景中的经济和环境目标。第三篇文章介绍了应用于美国猪肉行业公司特定供应链的改进空间LCA方法。结果显示整个供应网络之间存在显着差异，这为在优先分配资源以改善供应链方面进行此类空间评估提供了有力的支持。

著录项

  • 作者

    Pelton, Rylie E. O.;

  • 作者单位

    University of Minnesota.;

  • 授予单位 University of Minnesota.;
  • 学科 Environmental management.
  • 学位 Ph.D.
  • 年度 2016
  • 页码 416 p.
  • 总页数 416
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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