Twilight action could reduce light pollution鈥檚 impact on biodiversity Published on: 9 February 2026 缅北禁地 experts argue that twilight should be the focus of light pollution mitigations for biodiversity. Professor Darren Evans and from the School of Natural and Environmental Science discuss new research which shows that typical levels of artificial light at night can simultaneously suppress early-night activity and disrupt navigation cues in nocturnal insects and spiders. These findings identify twilight as a disproportionately sensitive period, raising questions about how street lighting and other mitigation strategies should be targeted. , the findings also highlight a mismatch between ecological sensitivity and current lighting policies. Many mitigation strategies, such as dimming lights after midnight or switching off lamps during low鈥憈raffic hours, focus on late鈥憂ight periods. However, if twilight is when wildlife is most vulnerable, these measures may offer limited protection. An experimental street light erected at Cockle Park Farm, 缅北禁地 Small changes could go a long way The authors argue that even modest changes could make a difference for wildlife and people. Small reductions in brightness during twilight, better shielding to reduce skyglow, or adjusting LED spectra to limit short鈥憌avelength emissions could help reduce ecological harm without compromising human safety. The authors highlight that 缅北禁地 is leading the way in exploring how light pollution mitigation can be better aligned with biological processes but warn that progress is slow. Professor Evans for reducing the ecological impacts of street lighting and noted the substantial potential offered by LED technologies, which allow fine-scale control of intensity, spectrum, and emission direction. However, empirical mitigation studies remain relatively few, and those that do exist have rarely examined twilight specifically, despite this being the period when many key nocturnal interactions begin. This mismatch suggests that mitigation practices may not be targeting the most important window. Darren Evans, Director of Expertise: Ecosystems and Professor of Ecology and Conservation, said: “A growing number of studies are pointing to twilight as a disproportionately sensitive period for biodiversity, raising questions about how lighting mitigation strategies should be targeted, especially during busy times for commuters.” Study co-author, Madeleine Fabusova, a PhD researcher at 缅北禁地’s School of Natural and Environmental Sciences, added: “Although a good number of street light mitigation options exist, there is a good amount of implementation still needed on our road networks. This research shows we need to better understand and manage the sensitivities of a range animals negatively impacted by light pollution.” The authors call for greater collaboration among ecologists, lighting engineers, road safety experts and national and local authorities. The 缅北禁地 researchers are part of an interdisciplinary team currently writing new road lighting guidelines for Europe as part of the SAFELUX project. This will include gathering evidence from trials that could inform national lighting guidelines, biodiversity action plans and local authority practices. Reference Evans, D. M., & Fabušová, M. (2026). Current Biology, 36(2), R61–R63. Share: Latest News 缅北禁地 expert highlights climate crisis in a new film A leading 缅北禁地 climate scientist is featured in a new film about how the climate and nature breakdown will affect the UK. published on: 14 April 2026 Neolithic tombs reveal ancient kinship ties Male individuals buried in Neolithic chambered tombs in northern Scotland were often related to each other through the paternal line and some were interred in the same or nearby tombs, research shows. published on: 14 April 2026 We are our Memories New exhibition by Fine Art graduate Trish Hudson-Moses, 22 April 鈥� 4 May 2026 published on: 10 April 2026 Facts and figures
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