Life cycle assessment

• What is the focus of today's video?

  Life cycle assessments
• What do life cycle assessments analyze?

  The different stages in a product's life cycle
• What are the four main stages of a life cycle assessment?

  Extraction, manufacturing, usage, disposal
• What is important to focus on in each stage of a life cycle assessment?

  Understanding them, not memorizing facts
• How does extracting resources from nature impact the environment?

  It often directly damages the local environment
• What can processing materials indirectly damage?

  The environment through energy use and pollutants
• What are three main problems associated with manufacturing and packaging?

  Energy use, pollution, waste production
• What happens to waste products from manufacturing?

  They usually have to be disposed of
• What two factors should be considered when using a product?

  Lifetime damage and usage duration
• How does the usage of a durable bag compare to a single-use bag?

  A durable bag is used thousands of times
• What are the disposal issues with plastic bags?

  They are not biodegradable and harm wildlife
• Why are paper bags considered better for disposal?

  They are biodegradable and non-toxic
• What is a limitation of life cycle assessments?

  They can be complex and hard to quantify
• Why is it difficult to assess the harm of each step in a life cycle assessment?

  Different pollutants have varying impacts
• How can life cycle assessments be manipulated?

  To support a particular company for advertising
• What is a common issue with the complexity of life cycle assessments?

  They can be hard to notice manipulation
• What should viewers do if they enjoyed the video?

  Let us know in the comments