Mississauga Nuisance Lighting By-law 262-12
(a) to promote reasonable uses of outdoor lighting for night-time safety, utility, security, productivity, enjoyment and commerce while preserving the ambiance of the night;
(b) to reduce glare from exterior luminaries and interior luminaries;
(c) to control light pollution by minimizing non-target light and by requiring light reduction through adaptive lighting techniques under site plan control;
(d) to reduce unwanted light trespass and spill; and
(e) to prohibit and regulate light nuisances.