One of the examples given for ‘Utilization’ for this sub-topic is "Atom Economy". Although atom economy cannot really be examined under this sub-topic is does appear on the main syllabus in the core part of both Option A - Materials (A.5 - Polymers) and Option B: Biochemistry (B.6 - Biochemistry and the environment). It should also probably be mentioned when Green chemistry is discussed in the core part of Option...