1. Harpoons, robots and lasers: How to capture space junk and bring it back to Earth  Stuff
  2. Harpoons, robots, lasers: how to bring defunct satellites and space junk back to Earth  RNZ
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Researchers are working to come up with ways to mitigate the space junk problem, one of which would use fabrication concepts to reduce the size of debris pieces that make it to Earth.Building smarter could help a lot.

Researchers working to reduce space junk threat, impact | Space