The only true and effective "operator's manual for spaceship earth" is not a book that any human will ever write; it is hundreds of thousands of local cultures.
To the extent that we consume, in our present circumstances, we are guilty. To the extent that we guilty consumers are conservationists, we are absurd. But what can we do? Must we go on writing letters to politicians and donating to conservation organizations until the majority of our fellow citizens agree with us? Or can we do something directly to solve our share of the problem? I am a conservationist. I believe wholeheartedly in putting pressure on the politicians and in maintaining the conservation organizations.
It's kind of alarming for me to realize that, when I'm writing stories about times I remember, it's already historical fiction.