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The city of Montreal has cancelled its plan to install high-intensity LED-lighting in the 132,000 street lamps throughout its territory over fears the bluish-white light can cause health problems and increase light pollution.

Mayor Denis Coderre announced Wednesday the city would be going with the less intense 3,000-Kelvin bulbs in residential neighbourhoods as opposed to the brighter, 4,000K bulbs that were initially envisioned. (Kelvin is a measurement of a light’s colour temperature: a 4,000K light emits a harsher bluish-white glare; a 3000K light has a softer, yellowish tint.) New technologies will allow the city to dim the lighting in certain quadrants, based on need and residents’ feedback, Coderre said.

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In places like underpasses, commercial and industrial zones, parking lots and large thoroughfares, 4,000K bulbs will be tried and evaluated as part of a pilot project.