It's called Apophis. It's 390m wide. And it could hit Earth in 31 years time

Given how responsive we've collectively been to the comparitive certainty of climate change, what are the chances, do you think?

Having more than 20 years warning of potential impact might seem plenty of time. But, at last week's meeting, Andrea Carusi, president of the Spaceguard Foundation, said that the time for governments to make decisions on what to do was now, to give scientists time to prepare mitigation missions.

Guardian Unlimited | Special reports | It's called Apophis. It's 390m wide. And it could hit Earth in 31 years time: Filed in: asteroid, Apophis, impact, near-earth-object, 2036