Which of the Following Best Describes ISO 14000

Which of the following best describes ISO 14000?

A) the concept that all employees are valuable contributors to a firm's business and should be entrusted with decisions regarding their work
B) a certification program attesting to the fact that a factory, laboratory, or office has improved environmental performance
C) a certification program attesting to the fact that a factory, laboratory, or office has met the quality management standards of the International Organization for Standardization
D) a standardized method of evaluating a company's greenhouse gas emissions
E) a certification program attesting to the fact that a factory, laboratory, or office is operating under free-trade principles