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"The World at Night," new IUCN report on light pollution, available for free download

A new report from The International Union for Conservation of Nature (IUCN) World Commission on Protected Areas (WCPA) explains light pollution, why it matters and how to reduce it.

While centred on nature protection, it also addresses the importance of abating light pollution for cultural and traditional heritage conservation, wilderness enjoyment, security, energy conservation, human health, astronomy and the enjoyment of a natural night sky, from seeing galaxies and stars to planets, comets, meteors and aurorae.

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