Chilean skies protected from light pollution by the Guardians of Darkness

By Meritxell Freixas Valle del Elqui, Chile, Feb 20 (EFE).- To protect and preserve the darkness of northern Chile’s skies, which are considered unique for astronomical observation, volunteer brigades from the Elqui Valley are educating their neighbors about the risks that light pollution poses to astronomy, human health, and natural ecosystems. “We created the Dark …

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