 Pettifer also wrote and presented a number of documentaries for both BBC and ITV, including "Diamonds in the Sky", on the subject of international air travel; "Automania", a history of the motor car, and "Missionaries".A growing interest in the environment led to him writing and presenting programmes about the environment and wildlife including "Naturewatch" for Central Television, "Nature", and "The Living Isles" for the BBC.He continued to report on current affairs, contributing reports for BBC Two's "Assignment" and "Correspondent" programmes, and a highly praised film for Channel 4 that re-examined the reporting of the Vietnam war.