A lot of stuff about the Olympic Flame this week and i had always wondered how it was moved from continent to continent.
I found this on the Guardian website today which seems to answer the question; though i'd prefer a photo.
What is the torch's carbon footprint?
By the time the torch finally reaches Beijing's Olympic stadium, it will have travelled 137,000km - equivalent to almost three-and-a-half times around the earth at the equator. The torch will have been carried on foot for some of that distance but between countries it travels by plane in a specially designed canister to ensure the naked flame doesn't bring the flight to a premature end.
According to Atmosfair.de, the total distance travelled by the torch will be responsible for 52 tonnes of carbon dioxide - the same as the lifestyle-related emissions of five Britons over the course of a whole year.
The torch itself runs on a 40/60 mix of propane and butane, making it similar in impact to a patio heater.
The 2012 organisers want to find a "low-carbon flame" by the time the jamboree comes to London. It could be biofuel but there's a snag: a biofuel flame would be invisible.
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