Common Misconceptions
Part of Life Cycle Assessment — GCSE Chemistry
This common misconceptions covers Common Misconceptions within Life Cycle Assessment for GCSE Chemistry. Revise Life Cycle Assessment in Using Resources for GCSE Chemistry with 20 exam-style questions and 12 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 12 of 16 in this topic. Use this common misconceptions to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 12 of 16
Practice
20 questions
Recall
12 flashcards
⚠️ Common Misconceptions
Misconception 1: "LCA only considers the manufacturing stage"
A complete LCA covers ALL four stages: raw material extraction, manufacturing, the use phase, AND end of life. In fact, for many products, the manufacturing or raw material stages account for the majority of environmental impact — not the use phase. For a smartphone, 85% of the impact is in raw material extraction, not during daily use. Exams will expect you to know all four stages.
Misconception 2: "An LCA result is always objective and reliable"
LCA results can be manipulated. Companies conducting their own LCAs may select boundaries that exclude unfavourable stages, use optimistic assumptions, or compare against the worst competitor rather than an industry average. This practice is sometimes called "greenwashing." Truly independent LCAs from third-party organisations are more reliable, but even these involve subjective judgments about which impacts matter most.
Misconception 3: "A lower carbon footprint automatically means a better LCA result"
Carbon footprint (greenhouse gas emissions) is only one of many factors assessed in an LCA. A product might have low CO₂ emissions but still cause significant water pollution, habitat destruction, or toxic waste. A full LCA considers multiple environmental indicators simultaneously — and sometimes improvements in one area come at the cost of another.