Debris removal is less an R&D problem than a market problem. The highest impact thing a government can do is put a price on debris removal, and then guarantee that price for existing debris for an extended period of time.
Flight volume is an easily solved problem with the near future market, and that cost is the main reason junk isn't deorbited already.
Flight volume is an easily solved problem with the near future market, and that cost is the main reason junk isn't deorbited already.