Paul Rouse: Without vision and change, sport will remain big part of climate problem

RUNNING ON FUMES: Aston Martin's German driver Sebastian Vettel salutes supporters before the Dutch Formula One Grand Prix.
Picture: CHRISTIAN BRUNA/POOL/AFP via Getty Images
There was a brilliant interview on CNN this week with Sebastian Vettel, the Formula 1 racing driver who is retiring at the end of this season.
Vettel is one of most thoughtful and interesting interviewees in sport. He has won the world championship four times and is unafraid to say things that others baulk at.