Which of the following is not a contributing factor to environmental policy decisions? a. human health b. availability of natural resources c. environmental health d. none of the above

Human health is definitely a factor - for example, people want the air to be clean because it's healthier to breathe a clean air.

Availability of natural resources is also important - people want to use renewable resources to prepare for the situation when they run out.

People also often enjoy being in the nature, so they also care about the environmental healt - the correct answer is d)