Calls for a green revolution, as world leaders discuss rising food prices that have left 100 million people hungry.
The writer Naomi Klein on Police State 2.0 – China's hi-tech surveillance, coming soon to a high street near you.
Also this week, the Israeli prime minister Ehud Olmert is facing calls to step down as he fights allegations of corruption.
And what some remarkable recordings made in London in the 1920s tell us about the lives of west Africans.
