The Scarlets probably had different feelings on seeing one of the northern hemisphere's finest attacking full-backs take the field against them, especially with the Ospreys starting to find some fluidity in the backline.

BBC: Scarlets 14-21 Ospreys

But Henry assured them: "I'll continue to give 150 per cent to the Welsh job, " and claimed there would be no conflict of interests if he is asked to take on the biggest role in northern hemisphere rugby.

BBC: News Online

"The stats this year tell us that Chris Paterson is the best goal-kicker in the northern hemisphere currently on 86% but that Phil Godman's number five on 79%, " explained Hadden.

BBC: Scotland drop full-back Paterson

Most carbon dioxide is in the Northern Hemisphere, because most people on the planet live in these parts, Butler said.

CNN: CO2 levels hit new peak at key observatory

Now, two comets are expected to put on a naked-eye spectacle for sky watchers in the Northern Hemisphere.

CNN: Welcome to the year of the comet (we hope)

The Wallabies had looked set for a second successive victory on their northern hemisphere tour after taking a 20-13 lead through captain Rocky Elsom's 62nd-minute try in front of 74, 000 people at Croke Park.

CNN: Ton-up O'Driscoll denies Wallabies in Dublin

More active travellers might consider the annual World Naked Bike Ride, happening on 10 March, 2012 in the Southern Hemisphere, and in June in the Northern Hemisphere.

BBC: Strip down for the end of summer

They are cooler than the "Medieval Warm Period" about 1, 000 years ago when Eric the Red and his Icelandic Viking tribe settled on grasslands of Greenland's southwestern coast, and much warmer than about 400 years ago when the Northern Hemisphere plunged into depths of a "Little Ice Age" (not a true Ice Age).

FORBES: Would a global warming really be that bad?

But there is good reason to think that the market has not yet peaked: the northern hemisphere's winter is only now approaching, heating oil stocks are at extremely low levels on both sides of the Atlantic, and the price of natural gas (oil's chief rival for home heating) has lately gone through the roof.

ECONOMIST: Cutting the oil price