This bill requires that outdoor lighting installed or replaced after October 1, 2026 comply with certain standards, including standards established by the American National Standards Institute and the Illuminating Engineering Society, intended to reduce the amount of unnecessary light emitted. The bill includes exemptions for certain types of lighting such as outdoor sports lighting, temporary lighting and required and emergency lighting. The bill directs certain departments to adopt rules to implement the requirements of this bill. The bill also directs each municipality in the State to adopt a local ordinance to promote compliance with the provisions of this bill and allows a municipality to adopt ordinances that are more strict than those required by this bill.