Below are a few thought-starter questions around the material in the module. You may want to talk through these questions with friends, colleagues and your lecturers:
At the start of his lecture, Alistair Boxall introduced four chemicals: naphthalene, diclofenac, fluoxetine and a PCB. What are the key physico-chemical and fate properties of these chemicals and how do you think they might differ in terms of their behaviour in the environment?
How would you define a non-toxic environment and how would you know whether it had been achieved?