Most libraries have limited budgets. Look for the teachable moment. But it might not be a good day to approach the subject if a family member was affected by the outbreak. The middle of Thanksgiving dinner is probably not the best time to discuss turkey production, unless you are specifically asked why you do not eat turkey. Use your best judgement.
Some people become vegetarian all at once.
Others move toward the goal one recipe at a time. And we have to admit that some will never change their way of eating. Use your positive energy where it will do some good. Take the scout troop to a health food store, tofu factory, or other veggie food maker for a field trip. Do cooking classes at your child's school.