Learn about LEED’s criteria for environmentally preferable materials, focusing on locally extracted, manufactured and purchased products to minimize environmental impacts.
Table of Contents
Question
LEED considers products to be environmentally preferable materials when they are
A. cost effective
B. transported by air rather than rail
C. materials with more life-cycle impact
D. locally extracted, manufactured and purchased
Answer
D. locally extracted, manufactured and purchased
Explanation
LEED considers products to be environmentally preferable when they are locally extracted, manufactured, and purchased. This is because local sourcing reduces the environmental impact associated with transportation, supports local economies, and can often ensure that the materials are suitable for the local climate and conditions.
Explanation: LEED (Leadership in Energy and Environmental Design) considers products to be environmentally preferable materials when they are locally extracted, manufactured, and purchased. This is because locally sourced materials have several environmental benefits:
- Reduced transportation emissions: By using materials that are extracted, manufactured, and purchased locally, the environmental impact associated with transporting these materials over long distances is minimized. This leads to a reduction in greenhouse gas emissions and air pollution.
- Support for local economy: Purchasing locally sourced materials supports the local economy and encourages the growth of sustainable industries within the region.
- Increased transparency: Local materials often have a more transparent supply chain, making it easier to verify their environmental and social impact.
- Minimized environmental impact: Local materials are often extracted and manufactured using more sustainable practices due to local environmental regulations and community oversight.
While cost-effectiveness (option A) is an important consideration, it is not the primary factor in determining environmental preferability according to LEED standards. Similarly, transporting materials by air (option B) has a higher environmental impact compared to rail or other modes of transportation. Materials with more life-cycle impact (option C) are not considered environmentally preferable, as the goal is to minimize the overall environmental impact of the materials used in a project.
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