GCSE Chemistry: Lifecycle Assessments (LCAs) & Limitations

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*** WHAT'S COVERED ***
1. What a Life Cycle Assessment (LCA) is.
* Analysing the different stages in a product's life cycle to assess its environmental impact.
2. The four main stages of a product's life cycle.
* Extracting and processing raw materials.
* Manufacturing and packaging the product.
* The impact of using the product.
* The environmental effects of product disposal.
3. A comparative Life Cycle Assessment of plastic bags vs paper bags.
4. The problems and limitations of Life Cycle Assessments.
* The difficulty in quantifying all environmental impacts.
* The complexity and potential for biased results.

*** CHAPTERS ***
0:00 Introduction to Life Cycle Assessments
0:36 The Four Stages of a Life Cycle Assessment
1:06 Stage 1: Extracting & Processing Raw Materials
1:43 Stage 2: Manufacturing & Packaging
2:09 Stage 3: Impact of Using a Product
2:38 Stage 4: Product Disposal
3:07 Life Cycle Assessment Example: Plastic vs Paper Bags
4:32 Limitations of Life Cycle Assessments

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