Reporter - has an overall view of what the group's message should be in the programme. Will need to understand all the reasons for and against the dome, and have theories about Max's motives.

Scientist - researches the process of photosynthesis in plants, and is an expert in this area.

Environmentalist - needs to learn how the sun is essential to life on earth, and what the effect of only having four hours of sun per day would mean.

Public Relations - collects up images and information for the documentary, and plans how to present the information to the audience.