If any of you have a moment to dip into this: http://lacticlegs.blogspot.com/ and consider that the (literally) crippling bike ride is being undertaken to help children in the slums of Rio (only tiny carbon footprints there, I'm sure), perhaps you'd care to go to http://www.justgiving.com/hughwilkinson/ and help him get even further towards his target.
(I can guarantee it's worth doing - he's my son)
(I can guarantee it's worth doing - he's my son)