The most “green” book I have ever read is “The Invincible” by Stanisław Lem.
...he felt so superfluous in this realm of perfected death, where only dead forms could emerge victoriously in order to enact mysterious rites never to be witnessed by any living creature. Not with horror, but rather with numbed awe and great admiration had he participated in the fantastic spectacle that just had taken place. He knew that no scientist would be capable of sharing his sentiments, but now his desire was no longer merely to return and report what he had found out about their companions’ deaths, but to request that this planet be left alone in the future. Not everywhere has everything been intended for us
The most “green” book I have ever read is “The Invincible” by Stanisław Lem.