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Sunlight at night: US startup’s demonstration of lighting Earth from space draws critcism

The Guardian Environment Monday 26 October 2026, 12:00 UTC By Oliver Milman 1 min read
Key Points

Company imitates reflection of sun from mirrors, prompting pushback from some scientists, environmentalists and California localsLocals in a rural area of California were recently startled to see dazzlingly bright light shining down from nearby mountains at night, illuminating a swathe of the desert below. Unbeknown to them, the strange nocturnal illumination was the latest step in a company’s plan to erect thousands of giant mirrors in space to reflect sunlight on to the Earth during...

Company imitates reflection of sun from mirrors, prompting pushback from some scientists, environmentalists and California locals

Locals in a rural area of California were recently startled to see dazzlingly bright light shining down from nearby mountains at night, illuminating a swathe of the desert below.

Unbeknown to them, the strange nocturnal illumination was the latest step in a company’s plan to erect thousands of giant mirrors in space to reflect sunlight on to the Earth during night-time.

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US (LOCATION) Earth (LOCATION) California (LOCATION)
Originally published by The Guardian Environment Read original →

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