Arthur Johnson Memorial Library

Lights out! directed by Michael McNamara ; written by Michael McNamara ; produced by Judy Holm and Michael McNamara. , Canada - [Arlington, Virginia] : [PBS], [2015] - 1 videodisc (approximately 44 min.) : sound, color ; 4 3/4 in.

Originally broadcast in 2012 as an episode of the CBC television series: The nature of things.





Joins leading scientists in the lab and in the field who are discovering how much harm light at night may be causing. Follows the ground-breaking steps being taken to protect humans from this environmental hazard.




In English; with optional English subtitles.

9781627892810 1627892818

841887024105

LIOU601 PBS




Light--Physiological effect.
Lighting--Physiological aspects.
Light pollution.



QC358.5 / .L544 2015 QP82.2.L5 / L54 2015

363.7 Lig 35