Geoff Ryman and Christopher Priest in The Glasgow Hearld

Certainly, Ryman argues, SF does seem to want to hang on to some old-fashioned ideas: faster-than-light travel for example. Yet as he points out planet-hopping across the galaxy doesn't make sense when we're about to run out of oil. "It's almost as if we can burn through this planet and go on to the next. What kind of message is that to give?"