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Starlink carbon footprint up to 30 times size of land-based internet

The satellite internet services provided by SpaceX Starlink, Eutelsat OneWeb or Amazon Kuiper will come with a carbon footprint much higher than that associated with land-based alternatives

By Jeremy Hsu

4 October 2023

StarLink satellite group shortly after launch, August 29, 2022

A Starlink satellite group shortly after launch on 29 August 2022

Stocktrek Images, Inc./Alamy

The space race that is seeing SpaceX, Eutelsat and Amazon launch thousands of satellites capable of providing internet service will probably carry a significant environmental cost. That is what the first attempt to calculate the carbon footprints associated with each company’s operations has concluded.

The analysis, conducted by researchers in the US and UK, found that the carbon footprint of each satellite constellation is potentially 14 to 21 times higher per internet subscriber than the emissions associated with  land-based mobile internet – primarily because of…

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