Short answer

Integrate a lifecycle approach to material selection, considering environmental impact from extraction to end-of-life, and actively seek out and advocate for sustainable material alternatives.

Field
Sustainability
Source
United Nations Environment Programme eBooks (2023)
Method
Literature Review and Policy Analysis
Evidence
Strong effect

Achieving net-zero emissions in the built environment necessitates a strategic approach to building materials, focusing on avoiding raw material extraction, shifting to regenerative practices, and improving conventional material decarbonization. This sustainability research insight is drawn from a 2023 study published in United Nations Environment Programme eBooks. Using Literature review and policy analysis, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Integrate a lifecycle approach to material selection, considering environmental impact from extraction to end-of-life, and actively seek out and advocate for sustainable material alternatives.

Study
SustainabilityRecentStrong effect

Decarbonizing Building Materials: A Three-Pillar Strategy for Net-Zero Construction

Achieving net-zero emissions in the built environment necessitates a strategic approach to building materials, focusing on avoiding raw material extraction, shifting to regenerative practices, and improving conventional material decarbonization.

United Nations Environment Programme eBooks · 2023

01

Key Findings

  • 01Avoiding raw material extraction through circular economy principles is a primary decarbonization pathway.
  • 02Shifting to regenerative material practices, such as using low-carbon earth- and bio-based materials, is essential.
  • 03Radically improving the decarbonization methods for conventional building materials is also a necessary component.
02

Application

Design takeaway

Integrate a lifecycle approach to material selection, considering environmental impact from extraction to end-of-life, and actively seek out and advocate for sustainable material alternatives.

How to apply

When specifying materials for a design project, conduct a comparative analysis of their embodied carbon and explore options for recycled content or bio-based alternatives.

Project actions

  • 01When choosing materials for your design, research their environmental impact.
  • 02Consider how your chosen materials can be reused or recycled at the end of the building's life.
03

Method & Evidence

AimWhat are the key pathways and stakeholder collaborations required to decarbonize building materials and achieve net-zero emissions in the built environment sector?
MethodLiterature Review and Policy Analysis
ProcedureThe report synthesizes existing research and policy recommendations to identify critical strategies for reducing the carbon footprint of building materials throughout their lifecycle.
ContextBuilt environment sector, construction materials, climate change mitigation

Variables

IV["Material sourcing strategy (e.g., virgin, recycled, bio-based)","Production method (e.g., conventional, low-carbon)"]
DV["Embodied carbon emissions","Resource depletion","Waste generation"]
CV["Building type and scale","Geographic location","Regulatory environment"]
04

Strengths & Limitations

Strengths

  • +Provides a comprehensive overview of key strategies for material decarbonization.
  • +Emphasizes the need for systemic change and stakeholder collaboration.

Limitations

The availability and cost of sustainable materials can vary significantly by region, and regulations may not always support their widespread adoption.

Reliability & validity

The findings are based on a synthesis of existing research and policy, suggesting good external validity. However, specific quantitative data on the effectiveness of each pathway may vary depending on the source material.

Think critically

How can design innovation drive the adoption of regenerative building materials, and what systemic changes are needed to support this shift?

05

Design Principles

"Prioritize material choices that minimize embodied carbon and maximize resource circularity."

The construction industry is a significant contributor to global carbon emissions, largely due to the production of its materials. Implementing strategies to reduce the environmental impact of building materials is crucial for meeting climate targets and fostering a more sustainable built environment.

06

What This Means for Your Design

To make buildings greener, we need to think about the materials we use. We should try to reuse materials, use natural stuff like wood or earth, and find ways to make concrete and steel with less pollution.

How to use in your project

  • 1.Reference this report when discussing the environmental impact of material choices in your design project's analysis or evaluation sections.
07

Add to My Project

08

Quick Cite

Paragraph starter

The decarbonization of building materials is a critical challenge for achieving net-zero emissions in the built environment. As highlighted by the United Nations Environment Programme (2023), a three-pillar strategy is essential: avoiding raw material extraction through circularity, shifting to regenerative and low-carbon materials, and improving the decarbonization of conventional materials. This framework guides material selection towards more sustainable outcomes.

09

Source

United Nations Environment Programme eBooks

Building Material and the Climate: Constructing a New Future

journal · 2023

View source

Questions About This Research

What does the research say about decarbonizing building materials: a three-pillar strategy for net-zero construction?
Integrate a lifecycle approach to material selection, considering environmental impact from extraction to end-of-life, and actively seek out and advocate for sustainable material alternatives. Evidence: United Nations Environment Programme eBooks (2023).
Why does "Decarbonizing Building Materials: A Three-Pillar Strategy for Net-Zero Construction" matter for design?
The construction industry is a significant contributor to global carbon emissions, largely due to the production of its materials. Implementing strategies to reduce the environmental impact of building materials is crucial for meeting climate targets and fostering a more sustainable built environment.
How can designers apply this research?
Integrate a lifecycle approach to material selection, considering environmental impact from extraction to end-of-life, and actively seek out and advocate for sustainable material alternatives.
What were the main findings?
Avoiding raw material extraction through circular economy principles is a primary decarbonization pathway.. Shifting to regenerative material practices, such as using low-carbon earth- and bio-based materials, is essential.. Radically improving the decarbonization methods for conventional building materials is also a necessary component.
What research method was used?
Literature Review and Policy Analysis.
How strong is the evidence?
Evidence strength is rated Strong effect, based on a 2023 journal from United Nations Environment Programme eBooks.
What should I do differently in my next project?
When specifying materials for a design project, conduct a comparative analysis of their embodied carbon and explore options for recycled content or bio-based alternatives.
What are the limitations?
The report focuses on broad strategies and may not delve into specific technical challenges or regional variations in material availability and regulation.