When adopting instructional materials for use in the schools, governing boards shall include only instructional materials that accurately portray both of the following, whenever appropriate:

(a)  Humanity’s place in ecological systems and the necessity for the protection of our environment.

(b) The effects on the human system of the use of tobacco, alcohol, and narcotics and restricted dangerous drugs, as defined in § 11032 of the Health and Safety Code, and other dangerous substances.

(Amended by Stats. 2005, Ch. 581, Sec. 1. Effective January 1, 2006.)