Less than three weeks after world leaders failed to agree on the climate, much of the world is now united in its assessment. It’s cold!

[cnn-photo-caption image= http://i2.cdn.turner.com/cnn/2010/images/01/06/snow.art.jpg caption ="A Legoland employee in Berkshire, UK tries to dig out a miniature Houses of Parliament."]

Huge swathes of the U.S., the UK, Europe and Asia are experiencing record freezing temperatures and some of the heaviest snowfall in years.

For millions of children it’s time to dust off the sledge and head for the nearest snowy slope. But for business, it may be time to pull out the calculator and start counting the cost of the cold weather.

In the sunshine state, Florida, Gov. Charlie Crist has been forced to declare a state of emergency as the state’s lucrative crops are in peril and farmers are facing a desperate fight to salvage what they can of their yields.

Elsewhere in the U.S., the northern Plains could see wind chills of up to 30 below zero according to CNN meteorologist Chad Myers.

Meanwhile in the UK, the cold snap is entering its third week and supplies of salt and grit are running low leading to, according to some reports, a run on table salt and…cat litter at supermarkets.

If you are struggling to cope with the cold snap, you might want tune into Connect the World tonight (9pm GMT, 4pm ET) to find out from polar explorer, Pen Hadow what it's like to experience really cold weather. He also might give you a few tips on how to keep warm.

In the meantime, let us know how you are coping and what the weather is like where you are. Are you celebrating the snow or are you cursing the cold? Post your comments below.