Apparently the UN, and some lawyers and insurance agents, will decide who will be in charge if an asteroid hits the Earth:

A draft UN treaty to determine what would have to be done if a giant asteroid was on a collision course with Earth is to be drawn up this year.

The document would set out global policies including who should be in charge of plans to deflect any object.

It is the brainchild of the Association of Space Explorers, a professional body for astronauts and cosmonauts.

At the moment, Nasa is monitoring 127 near-Earth objects (NEO) that have a possibility of hitting the Earth.

The association has asked a group of scientists, lawyers, diplomats and insurance experts to draw up the recommendations.

See full article here.