Diplomats and observers warn that this could be the deadliest phase of the war, as the army tries to target the rebels mixed in the civilian population.

VOA: standard.2009.04.06

They go further and point to, just as one example of their argument, the way in which population rise could lead to a phase change, a chaotic and of unknown outcome, rapid and irreversible change in our environment.

FORBES: Nature on Uncertainty: Climate Change is Less Important Than We Thought

The first phase of results shows a breakdown of population by age, sex and nationality.

BBC: Census graphics