Wired has an interesting interview with him where he talks about the difference between the Earth at present and his novels, and what he believes needs to happen to ensure we have a long future on this planet.
Wired News: You use the analogy of falling from a cliff when discussing humanity and climate change. Do you think coming changes will be so abrupt?
Kim Stanley Robinson: It's not the best analogy. But when I'm in the Sierras, because of the way the glaciers carved the landscape, you come to points where it's a difficult down-climb off a promontory to a better situation. That's probably what history in the 21st century is going to be like.
Many of the technologies we've invented are necessary to keep 6.5 billion people alive. We can't go back from that, so we need to decarbonize really rapidly. ::Wired