From the brief time I did work experience there, it was highly professional. It opened my eyes to how serious and organized systems are, especially in the public sector.
I learnt how to approach an interview, with their practice session.
They're excellent at managing sites which may damage the environment under legislation and they have good branches - more... committed to such caused/ their enforcement.
From what I saw, the hardest part would be keeping up with terminology, with a lot of environmental terms (especially chemicals, appearing as acronyms) - less