In brief

Rule of law

The trouble with Guantánamo

Digital divide

A new era dawns on Africa’s east coast

Renewable energy

Saharan sun to power Europe

Climate

Final sprint at snail's pace

Energy

Biofuels’ hidden costs

Assessing results

Much activity, but no system

Climate

Unexplored dephts

International financial architecture

Restore the balance of market and state

CIA

Proof of torture