Comments on the tree-ring section of the IPCC's latest report by John Mitchell, director of climate science at Britain's Met Office, raise issues very like those highlighted by perhaps the most prominent critic of the hockey stick, Steve McIntyre, who runs a blog called Climate Audit.

ECONOMIST: Leaked e-mails do not show climate scientists at their best

On these squares and the section of the ring, the festival visitors submerged themselves in the virtual games worlds of Sony, Ubisoft, Activision and Electronic Arts, which presented numerous games stations over the entire festival area.

FORBES: Gamescom 2012 Attracts Over 275,000 Gamers From Around The Globe To Germany

Maintenance work on the St Alkmund's Way section of the inner ring road begins on 21 January and is expected to last until June.

BBC: St Alkmund's Way

In 2012, the transport minister approved tunnelling underground a section of the A10 ring road that bisects Zuidas and there are also plans to enlarge and improve the Amsterdam Zuid train station, both to begin construction by 2015.

BBC: Living in: Amsterdam

In the "Ring, " four Wagner tubas join an enlarged brass section that includes other orchestral rarities like the bass trumpet, contrabass trombone and contrabass tuba, creating "choirs" of gleaming brass.

WSJ: It Takes Brass to Play the Wagner Tuba | By Barbara Jepson | The Ring of the Nibelung