Upon reading up a bit, all that ugly low orbit space junk is self-cleaning due to gas drag from the outermost wiffs of Earth's atmosphere that are constantly being blown out there during solar flares, etc. then slowly returned to the surface by gravity -- all of that low orbit stuff hits this faint air resistance all the time and very slowly comes back to burn up naturally over time.
I did not realize both SkyLab and MIR orbiting complexes have both already come back down due to low orbit air wiff drag effects already.
What is up there now in the low orbit green zone
has to be maintained by occasional rocket action by the objects themselves.
The stuff in the colored band is self-cleaning, the outermost stuff would require a drone to push to either speed it away (a lot of push) or to slow it down (less push). You could just push it down into the green zone and let mother nature take care of it over time .....
http://www.smithsonianmag.com/science-nature/what-damage-could-be-caused-by-a...Now, if you want something scary -- like it has actually happened twice while our parents and us have been alive -- read about massive solar storms that DO occur repeatedly on a long term 11 year cycle.
One analysis looked at a 1921 storm—which was ten times more powerful than the 1989 event—and estimated that if it occurred today, it would leave some 130 million people without power, potentially affecting water and food distribution, heating and air conditioning, sewage disposal and a host of other aspects of the infrastructure we take for granted daily. The total cost of an even larger storm, such as the 1859 event, could be enormous: an estimated $1 to $2 trillion in the first year alone, and a total recovery that could take 4 to 10 years in total.
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