“we estimate that a million satellites could mean that a teragram (one billion kgs) of alumina accumulates in the upper atmosphere – enough, alongside launch emissions, to significantly alter atmospheric chemistry and heating in dramatic ways we do not yet understand.
There is no public mandate for a single company in one country to make changes on that scale to the planet’s atmosphere.”
https://theconversation.com/a-new-space-race-could-turn-our-atmosphere-into-a-crematorium-for-satellites-276366

A new space race could turn our atmosphere into a ‘crematorium for satellites’
Planned ‘megaconstellations’ of satellites could cause unforeseen harm to the ozone layer and climate systems. Global regulation is needed before it’s too late.
theconversation.com · The Conversation
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The Conversation AU + NZ@theconversationau@mastodon.social