We had some really great threads last year, with the following four nominated for the Thread of the Year award in this January's Environment Site Awards ceremony.
The European Space Agency has just released images showing all the satellites and human-made debris now orbiting space as a result of 51 years of launching stuff to space since Sputnik launched in 1957.
This could very well be the onset of Kessler Syndrome; where the lower Earth orbit becomes so crowded with junk, that it becomes impossible to launch anything into space without a significant risk of impact by debris. Scary stuff.
Tonnes of space junk
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