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Light At Night (ALAN) in general, and electronic billboards specifically, impose on human health and on <br />ecosystems. The Sierra club policy, below, is supported by a comprehensive compilation of resources <br />pointing to the significant impacts of ALAN, please see the recently published “Artificial Light at Night: <br />State of the Science 2022”. The information and scientific studies referenced in this International Dark- <br />Sky Association Report point to the devastating impact of lighting on ecosystems and organisms that <br />comprise our biological resources and our health. We are similarly concerned with the proliferation of <br />ALAN and its pervasive harm to organisms, species, ecological food webs, and human health and <br />safety. <br />In March 2021, Sierra Club National adopted a new light pollution policy: “Sierra Club recognizes that <br />while artificial light provides desirable benefits to society, such as extended hours of social space at <br />night, <br />its excessive, inappropriate and poorly controlled use also leads to significant harm. Sierra Club defines <br />light pollution as artificial light that adversely affects ecosystems and any living organism. Sierra Club <br />includes in this definition anthropogenic light that is wasteful, or misdirected; has negative ecological <br />impacts; is used as a form of aggression; is harmful to health, safety, or other human rights; or disrupts <br />our view of the natural night sky, disconnecting us from our cosmic environment, including the Milky Way <br />Galaxy where we live. Therefore, light pollution imposes natural resources, economic, biological, <br />political, <br />psychological, and cultural burdens.” <br />Driver Safety: Electronic signs are, by design, intended to be viewed from a distance. By design, <br />electronic billboards offend aesthetics and visual character, and produce day and nighttime illumination, <br />light and glare. The public abhors them. A 2021 survey conducted by the City of San Jose revealed that <br />over 90% of over 2200 respondents are opposed to electronic billboards <br />on freeways. The concerns over aesthetics were one of the primary reasons provided by the opposing <br />respondents. Highway 101 in this area is not, by designation, a scenic highway. But the public and the <br />drivers clearly consider electronic advertisement “a form of aggression” which assaults our senses and <br />health, and imperils drivers as it diverts their attention and puts them at an increased risk of collision. <br />Driver safety was a great concern to the responders to the San Jose survey. <br />Migratory Birds: We also note that migrating birds can be affected by human-built structures because <br />of their propensity to migrate at night, their low flight altitudes, and their tendency to be disoriented by <br />artificial light, which makes them vulnerable to collision with obstructions that could potentially lead to <br />injury or mortality. In addition, birds migrating at night can be strongly attracted to sources of artificial <br />light, particularly during periods of inclement weather. <br />In summary, we are greatly concerned with detrimental impacts of electronic billboards and signs to <br />biological resources, the night sky , as well as the health and quality of life of our region’s residents. We <br />are opposed to allowing electronic billboards and encourage Redwood City to tighten regulation and <br />reduce, rather than increase their prevalence and impacts. <br />We believe that electronic billboards anywhere, including at the proposed locations along 101, will cause <br />significant and irreversible harm to the biological and aesthetic environment and safety for drivers. We <br />encourage the Redwood City to be forward-looking and to prohibit highway-facing and major-road facing <br />electronic billboards. <br />If the city persists in moving forward with this project, an EIR must be prepared because the