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Satellite mirror plans could disrupt sleep and ecosystems worldwide, scientists say

By The Guardian Science · 2026-04-05
Satellite mirror plans could disrupt sleep and ecosystems worldwide, scientists say
Why it matters: Plans for 1 million new satellites and reflective mirrors could disrupt human sleep and global ecosystems.
Scientists are raising alarms to a US agency regarding tech firms' proposals to launch reflective mirrors and up to one million additional satellites into low Earth orbit, warning of severe disruptions to human sleep patterns and global ecosystems. These plans, detailed in letters to the agency, highlight concerns over the far-reaching consequences of increased light pollution and orbital congestion.

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