Climate Change Threatens Satellite Sustainability in Earth's Orbit

New research reveals that greenhouse gas emissions are shrinking the upper atmosphere, increasing risks of collisions and reducing satellite carrying capacity.

Greenhouse gas emissions are causing the upper atmosphere to cool and contract, reducing atmospheric drag that naturally removes space debris.
The shrinking atmosphere increases the lifespan of space junk, heightening the risk of collisions and creating a more hazardous orbital environment.
Simulations predict that by 2100, the satellite carrying capacity in low Earth orbit could be reduced by 50-66% if emissions continue to rise.
The proliferation of satellite megaconstellations, such as SpaceX's Starlink, is already straining orbital capacity, with frequent collision-avoidance maneuvers required.
Experts warn that without emission reductions and better debris management, cascading collisions could render parts of Earth's orbit unusable for future satellites.

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