Space debris: How do we solve the problem of dead satellites?
With an increasing number of governments and private companies capable of launching satellites, the space around the planet is beginning to get congested.
Some estimates say that fewer than half of the satellites currently in orbit are working.
So what can be done to stop these broken machines becoming a threat to those that we still rely on?
BBC Click's LJ Rich reports.
See more at Click's website and @BBCClick.
