On a normal day, Majken Friss Jorgensen, managing director of Copenhagen's biggest limousine company, says her firm has twelve vehicles on the road. During the "summit to save the world", which opens here tomorrow, she will have 200.
"We thought they were not going to have many cars, due to it being a climate convention," she says. "But it seems that somebody last week looked at the weather report."
Ms Jorgensen reckons that between her and her rivals the total number of limos in Copenhagen next week has already broken the 1,200 barrier. The French alone rang up on Thursday and ordered another 42. "We haven't got enough limos in the country to fulfil the demand," she says. "We're having to drive them in hundreds of miles from Germany and Sweden."
And the total number of electric cars or hybrids among that number? "Five," says Ms Jorgensen. "The government has some alternative fuel cars but the rest will be petrol or diesel. We don't have any hybrids in Denmark, unfortunately, due to the extreme taxes on those cars. It makes no sense at all, but it's very Danish."
The airport says it is expecting up to 140 extra private jets during the peak period alone, so far over its capacity that the planes will have to fly off to regional airports - or to Sweden - to park, returning to Copenhagen to pick up their VIP passengers.
As well 15,000 delegates and officials, 5,000 journalists and 98 world leaders, the Danish capital will be blessed by the presence of Leonardo DiCaprio, Daryl Hannah, Helena Christensen, Archbishop Desmond Tutu and Prince Charles. A Republican US senator, Jim Inhofe, is jetting in at the head of an anti-climate-change "Truth Squad." The top hotels - all fully booked at £650 a night - are readying their Climate Convention menus of (no doubt sustainable) scallops, foie gras and sculpted caviar wedges.
I am trying to emulate these brave reformers. In that spirit, I drove all the way across town to take my daughter to the Trans-Siberian Orchestra concert -- very likely the band with the largest carbon footprint in the world (if you have seen their concerts, you know what I mean).