Celebrity polluters named and shamed

* Average emissions added up * Simon Cowell tops list * Bugatti Veyron most-polluting car on list...

Celebrity polluters named and shamed

Music industry guru Simon Cowell is the worst-polluting celebrity, according to a new survey.

The survey was conducted by green motoring organisation City Car Club, and it shows that the X Factor judge's cars have the highest average level of carbon dioxide emissions per kilometre.

Cars owned by Cowell include an 8.0-litre turbocharged Bugatti Veyron, which emits 574g/km of CO2. The average emissions of Cowell's fleet is 457g of CO2 per kilometre.

Celebrity emissions offenders
1 Simon Cowell
Average carbon emissions 457g/km
Cars owned Bugatti Veyron, Ferrari F430, Rolls-Royce Phantom

2 Jay Kay
Average carbon emissions 444g/km
Cars owned Bentley S1 Continental, Ferrari Enzo, Rolls-Royce Phantom

3 David Beckham
Average carbon emissions 421g/km
Cars owned Bentley Arnage, Bentley Continental GT, Hummer H2, Lamborghini Gallardo

4 Rowan Atkinson
Average carbon emissions 398 g/km
Cars owned Aston Martin DB7 Vantage, Audi A8, Bugatti Veyron

5 50 Cent
Average carbon emissions 394.5g/km
Cars owned Hummer H2, Rolls-Royce Phantom

6 Rio Ferdinand
Average carbon emissions 379g/km
Cars owned Bentley Arnage, Bentley Continental, BMW X5, Cadillac Escalade

7 Steven Gerrard
Average carbon emissions 361g/km
Cars owned Aston Martin Vanquish, Bentley Continental, BMW X5, Porsche 911 Turbo

8 Kerry Katona
Average carbon emissions 359.5g/km
Cars owned Aston Martin Vantage, Lamborghini Gallardo, Porsche 911 Turbo, Range Rover

9 Wayne Rooney
Average carbon emissions 308g/km
Cars owned Aston Martin Vanquish, BMW X5, Mercedes CLK, Porsche 911 Turbo

10 Justin Timberlake
Average carbon emissions 287g/km
Cars owned Audi TT, Jeep Wrangler, Range Rover