The World Wildlife Fund's Stuart Orr explains a challenging study that shows Britain's massive water consumption.
Our Moscow correspondent, Luke Harding, is on the move in Georgia and sees no sign of Russian troops withdrawing.
The Guardian's diplomatic editor, Julian Borger, talks to the foreign secretary, David Miliband, about Nato's efforts to find a solution to the conflict in Georgia.
Jason Burke on the killings of 10 French soldiers in Afghanistan.
And the Democratic US presidential candidate, Barack Obama, is set to announce his running mate – could it be Hillary Clinton?