It seems to me that the biggest obstacle to cleaning up Space debris is not going to be developing technology, which the USA and Switzerland among other nations have been on for some time, but rather preventing politicians from misconstrue the efforts as an excuse to attack each other. I wonder if we will ever grow up?
Space Junk Is Becoming a Serious Security Threat
Theresa Hitchens wants to make the world safer. She’s director of the UN Institute for Disarmament Research, but one of her biggest concerns floats above national boundaries. She told io9 about the growing dangers of orbital space debris, and the obstacles standing in the way of cleaning it up.