I'm looking to minimalise the environmental impact of travelling as much as possible, so have been looking at alternatives to flying. Here's a couple of useful sites I've came across:
http://www.seat61.com http://www.noflights.comThese are mostly UK/Europe focussed, but do have a lot of info on the rest of the World. If you know of any other good resources for overland and sea travel please share them!