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A short class with Sarah and her students. The other ways are under More.
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Today, we're going to look at how extracting materials impacts our environment. Can anyone think of what happens when we mine for metals or cut down trees?
Mining can destroy habitats for wildlife!
Exactly! Mining often leads to habitat destruction and can pollute nearby water sources. What about logging?
It can cause deforestation, right? That means fewer trees for oxygen.
Yes! Deforestation contributes to climate change by reducing carbon absorption. Remember the acronym ‘HARM’ - Habitat destruction, Air pollution, Resource depletion, and Migration of species - to capture these impacts. Can anyone tell me about the concept of 'embodied energy'?
Isn't it about how much energy is used in making or extracting a material?
Great! For example, aluminum has high embodied energy. However, once in use, its durability is a benefit. Reflecting on these can help us make sustainable choices!
Waste generation in manufacturing can be significant. What types of waste do you think might come from processes like laser cutting?
There are leftover materials that can't be used again.
Exactly! Offcuts can accumulate quickly, leading to waste. Also, the fumes generated could be harmful. We have to think about minimizing waste in our designs. What might help us do that?
Maybe using software to design things that require fewer materials?
Yes! Using design software can help optimize material use. Let's remember the phrase ‘MINIMIZE WASTE’ - it emphasizes our goal in sustainable manufacturing. Have you considered how you could address waste in your own projects?
I could choose materials that are recyclable!
Now, let’s shift the focus to ethical sourcing. Why do you think it's important to consider labor practices in material sourcing?
So that workers are treated fairly and have good working conditions?
Absolutely! Ethical sourcing means fair wages and labor rights matter. Another issue is deforestation. What role do certifications play in ensuring responsible sourcing?
Certifications show that wood is harvested sustainably, right?
Right! For example, FSC certification for timber. You can remember it as ‘FAIR’ - Fair wages, Avoiding deforestation, Integrity in sourcing, Responsibly made. Remembering this can guide better ethical choices in our designs.
Let’s think about a project for a new furniture piece. What materials should we consider for sustainability?
Maybe we could use bamboo or recycled wood?
Excellent! Bamboo is fast-growing and sustainable. What about from an ethical point of view?
We should make sure it’s sourced from places that treat workers well!
Exactly! Ethical sourcing revolves around human rights alongside environmental considerations. A good motto to think about is ‘DESIGN WITH PURPOSE’ - where every decision contributes to sustainability and ethics!
The adverse effects of resource extraction and manufacturing processes on ecosystems.
The byproducts produced during manufacturing that can harm the environment.
Ensuring materials are obtained in ways that respect human rights and the environment.
Measuring the total energy consumed in creating a product from raw materials to finished form.
Certification for responsibly sourced timber.
In sourcing we must be wise, choose materials that help us rise.
Imagine a forest where each tree whispers about its worth. When harvested responsibly, the story continues, but if destroyed haphazardly, the tale ends. Let's make our choices wisely!
Remember 'F.A.I.R' for ethical considerations: Fair wages, Avoid deforestation, Integrity in sourcing, Responsibly made.
H.A.R.M for environmental impacts: Habitat destruction, Air pollution, Resource depletion, and Migration of species.
Term
What does sustainable sourcing mean?
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Term
What is ethical sourcing?
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Term
Define embodied energy.
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The ability to maintain ecological balance by using resources responsibly.
The process of ensuring that materials are obtained in a responsible and sustainable way, considering labor practices.
The total energy consumed in the production of a material, from extraction to manufacturing.
A certification that ensures wood is sourced from responsibly managed forests.
The clearing of forests or trees resulting in damage to the quality of the land.
This section focuses on the environmental and ethical implications of material sourcing and manufacturing processes in product design.
In this section, students learn about the sustainability challenges associated with material extraction, manufacturing waste, and the importance of ethical sourcing practices. By analyzing the impacts of their material choices, they align their projects with global citizenship values.
This section emphasizes the need for students to evaluate the environmental and ethical implications of their material and manufacturing choices. It addresses two critical areas:
Through discussions and activities, students gain a comprehensive understanding of how sustainability and ethical considerations affect all stages of product design, connecting their learning to real-world challenges.