Global Trade Patterns Amplify Raw Material Consumption

Why It Matters

Understanding the material footprint of global supply chains is crucial for designers and engineers aiming to reduce environmental impact. This research highlights that simply shifting production does not equate to resource efficiency and can exacerbate global resource depletion.

Key Finding

Global trade, especially the way developed countries manage their supply chains, is a major reason why we're using more raw materials worldwide.

Key Findings

• Changes in international trade patterns were a significant driver of increased global raw material consumption.
• Developed countries, by shifting production to less material-efficient suppliers, played a major role in driving this growth.
• The rise in material consumption in emerging economies did not negate the impact of industrialized nations as drivers of global resource use.

Research Evidence

Aim: To what extent do changes in international trade patterns contribute to the increase in global raw material consumption?

Method: Structural Decomposition Analysis using a Multi-Regional Input-Output model

Procedure: The researchers analyzed changes in global raw material consumption between 1990 and 2010, decomposing the drivers into factors such as trade, technology, and consumption patterns, using the Eora MRIO model.

Context: Global trade and resource consumption

Design Principle

Design for global material responsibility: Account for the resource intensity of all stages of production, including outsourced manufacturing.

How to Apply

When specifying materials or selecting manufacturing partners, investigate the material efficiency of their production processes and supply chains, not just cost or availability.

Limitations

The analysis is based on data up to 2010 and may not fully reflect more recent trends in circular economy initiatives or technological advancements in material efficiency.

Student Guide (IB Design Technology)

Simple Explanation: Moving production to other countries doesn't always mean using fewer resources; sometimes it means using more because the new places aren't as good at being efficient.

Why This Matters: It shows that design decisions have a ripple effect on global resource use, and designers have a responsibility to understand and mitigate this impact.

Critical Thinking: If developed countries are driving resource use by outsourcing to less efficient suppliers, what design strategies could encourage the development and adoption of more efficient production methods in those supplier countries?

IA-Ready Paragraph: This research highlights that international trade patterns can significantly increase global raw material consumption, particularly when developed nations shift production to less material-efficient suppliers. This underscores the importance of evaluating the material footprint of global supply chains in design projects.

Project Tips

• When researching materials, look beyond their immediate properties to understand the resource impact of their extraction and manufacturing.
• Consider the global implications of your design choices, especially if your product involves international manufacturing.

How to Use in IA

• Use this research to justify investigating the material footprint of different manufacturing locations or material sourcing options for your design project.

Examiner Tips

• Demonstrate an understanding of how global trade and supply chains influence the environmental impact of a design.

Independent Variable: Changes in international trade patterns, production locations, and consumption levels.

Dependent Variable: Global raw material consumption.

Controlled Variables: Technological efficiency, economic growth (implicitly through input-output model).

Strengths

• Utilizes a comprehensive multi-regional input-output model for a global perspective.
• Applies a robust structural decomposition analysis to disentangle complex drivers.

Critical Questions

• How can designers influence the material efficiency of production processes in countries with less stringent environmental regulations?
• What are the ethical considerations when a design's resource footprint is significantly higher due to globalized production?

Extended Essay Application

• An Extended Essay could explore the material footprint of a specific product category across different global manufacturing hubs, using this paper's methodology as a framework.

Source

International Trade Drives Global Resource Use: A Structural Decomposition Analysis of Raw Material Consumption from 1990–2010 · Environmental Science & Technology · 2018 · 10.1021/acs.est.7b06133