Final answer:
The International Dark-Sky Association (IDA) gives recommendations for facility lighting to combat light pollution and preserve the quality of nighttime skies.
Step-by-step explanation:
The group that gives recommendations for facility lighting is the International Dark-Sky Association (IDA). The IDA is dedicated to combating light pollution, which is the encroachment of stray light that wastes energy and washes out the glories of the night sky. They work towards preserving and protecting the quality of nighttime skies through education and advocacy.