Old info is still valid, preventing better than cure. Prevent not to make too much waste in space, better and cheaper than cleaning it.

the latest I might miss it, (sorry) :)> Scientists from NASA and the National Security Administration of Nuclear have devised a plan for the Mitigation Mission of Hypervelocity Asteroids for Emergency Response (HAMMER).

The HAMMER spacecraft, which weighs 8.8 tons, can be used to direct itself to a small asteroid or to remove space rocks using a nuclear device.

thanks for the correction :)