The BBC has a special section: 7/7: One Year On.

The Guardian has Attack On London: One Year on.

The Independent has the following:

• The big question: How successful have the police been in thwarting terrorism since July 7
• Bomber's video shows hand of al-Qaida
• Muslims set up coalition to fight extremism
• Tears and prayers on the day a city remembers its dead
• Minister: Public inquiry 'would be a diversion'

The Times of London has a special report: London Bombs

From The Globe and Mail: Shattered faith, fresh optimism and split opinion (That's a print edition story; if you link to this online story, you can access some of the Globe's interactives).