Discuss what the job of an “environmental health and safety” (EH&S) specialist is

Discuss each question below ,each question must be around 100-150 word
1 Discuss what the job of an “environmental health and safety” (EH&S) specialist is.
2. Interview a person who has a sustainability-related job in a company and report what they do.
3.Compare how three different companies organize for sustainability
4.Discuss opportunities for green jobs in Arizona.