We humans have a bad habit of leaving rubbish everywhere we go, as any nature lover or walking fanatic will tell you. That habit extends to our short tenure of adventuring in orbit around the planet, with some experts suggesting that we’re reaching a point where there is so much junk as to make space flight an unrealistically dangerous proposition. It strikes me that this can’t be a problem that is beyond our technology to address – much like the aftermath of a good house party, the issue is more likely to be that no one wants to take responsibility or volunteer to start first, let alone pay for the effort. [FutureWire]