How do certifications affect OSH, EHS salaries?

Safety, health and environmental professionals with Certified Safety Professional (CSP) certifications earn approximately $30,000 a year more than those without one, according to a salary survey conducted by the Board of Certified Safety Professionals (BCSP) and the American Society of Safety Engineers (ASSE).

The two organizations jointly queried nearly 10,000 safety professionals in the U.S. and Canada about salaries, benefits and credentials.