Goodreads helps you keep track of books you want to read.
Start by marking “The Nitrogen Fix” as Want to Read:
The Nitrogen Fix
Enlarge cover
Rate this book
Clear rating
Open Preview

The Nitrogen Fix

3.66  ·  Rating Details ·  140 Ratings  ·  10 Reviews
2000 years from now, the Earth has acid oceans, mutating exploding plants, silent, tentacled observers, doomed Hill cities, nomad Outcasts, vicious, power-mad rebels. The Earth does not have oxygen; it has all been trapped in The Nitrogen Fix, a novel of the ultimate ecological disaster.
Mass Market Paperback, 289 pages
Published by Ace Books (first published 1980)
More Details... edit details

Friend Reviews

To see what your friends thought of this book, please sign up.

Reader Q&A

To ask other readers questions about The Nitrogen Fix, please sign up.

Be the first to ask a question about The Nitrogen Fix

Community Reviews

(showing 1-30)
filter  |  sort: default (?)  |  Rating Details
Eric Herboso
Jul 13, 2012 Eric Herboso rated it it was amazing
In the Earth of the future, humans are the last native animal species on a planet fully depleted of freely floating oxygen. What civilization is left is isolated and separated in what many would call a doomsday scenario, but Hal Clement has somehow made the resulting Earth appear far more enticing than it at first seems.

Clement's trademark hardest-of-the-hard science fiction style explains nearly every aspect of this new world in a fully believable way. Everything about the setting is perfect --
Feb 28, 2013 Gendou rated it it was amazing
This was a great, hard, science fiction story by Hal Clement, who's on his way to being one of my favorite authors! For a book published in 1980, it's held up quite well to scientific discoveries. The biological science in the book is sound, and a little scary, too. The nature of the alien is quite believable, too.

The one aspect of the book I was put off by was the compulsive honesty and other "hangups" that the various humans had. I felt like this prevented them from being fully rational i.e. b
Dec 27, 2008 Derek rated it really liked it
Shelves: post-apocalyptic
Hal Clement can be an intimidating author, as his science is so hard you could crack a tooth on it. I was pleasantly surprised, as the anticipated science was joined to a methodical sociologicial exploration and told from the perspective of interesting characters. This is not a dry recitation.

While the entire premise might be doubtful, the scientific rigor shown in the ramifications--mildly nitric acid seas, the behavior of 'fire' in the nitrogen atmosphere--is extremely well-considered and thou
Aug 17, 2015 Michael rated it really liked it
Shelves: sci-fi
Hal Clement is my king of hard science fiction. "Mission of Gravity" is perhaps the paradigmatic "hard sci-fi" novel - in that he creates a fascinating planet, people, and problem from scratch based on his view of the immutable laws of physics - but "Nitrogen" has more dynamic characters and a more engaging narrative. His world (a post-apocalyptic earth where oxygen is severely limited) is very cool, but more fantastic, and he introduces some larger issues here like faith in tradition vs. progre ...more
Feb 19, 2010 Bill rated it liked it  ·  review of another edition
Shelves: science-fiction
Classic Clement, as usual. This science was fascinating. I had never considered that there is enough nitrogen around to completely fix all of the oxygen in the atmosphere given the right catalysts. Is it inevitable, especially now that we are mucking with genetic engineering?

My problem with this Clement novel is that although it has many intriguing concepts, I did not find the story or the characters very interesting.
The other John
This one's a bit of classic science fiction, a tale set on a future Earth where the chemical composition of the atmosphere has shifted to contain more nitrogen and less oxygen. Humanity is reduced to living indoors, only venturing forth with necessary oxygen masks. The story revolves around a low-caste trading couple and their alien business partner who get wound up with a group of young rebels. The book was entertaining enough, though hardly a page-turner.
Nov 22, 2011 Yougo rated it really liked it
Shelves: sci-fi
Interesting, but kind of felt more like a short story than a novel. You do have to credit Clement in that he can present VERY hard core sci-fi in such a way that it's understandable, AND the story is compelling. I do have to say I liked his Mission of Gravity better.

Will Boncher
Jan 21, 2011 Will Boncher rated it it was ok  ·  review of another edition
Shelves: own
Far from his best work (which was Cycle of Fire). His books are never fast-paced, but this took it to an extreme. I felt like there was very little resolution; just not very much happened.
Nov 06, 2014 John rated it it was amazing
Shelves: scifi
1982 grade A-
2006 grade A
Phil Wheat
Phil Wheat rated it really liked it
Mar 03, 2012
Terry rated it it was amazing
Oct 08, 2012
Jason Edmonds
Jason Edmonds rated it liked it
Mar 23, 2009
Brian rated it really liked it
Dec 07, 2013
Elizabeth Scheller Williams
Elizabeth Scheller Williams rated it it was amazing
Oct 12, 2015
Thomas Walcher
Thomas Walcher rated it liked it
Oct 10, 2011
Bradley rated it really liked it
Nov 03, 2008
Richard Todd
Richard Todd rated it liked it
Oct 08, 2016
Doug rated it liked it
Jan 07, 2014
Hirailers185 rated it liked it
Feb 25, 2014
Laurel Pollard
Laurel Pollard rated it liked it
Dec 02, 2015
David rated it liked it
Nov 04, 2015
John Macgregor
John Macgregor rated it really liked it
Sep 24, 2014
Nitya Singh
Nitya Singh rated it did not like it
May 03, 2015
John rated it liked it
Oct 10, 2011
Stephen Kolomyjec
Stephen Kolomyjec rated it liked it
Aug 25, 2016
Karl rated it really liked it
Apr 29, 2012
David rated it did not like it
Mar 17, 2017
Vierblij rated it liked it
Jan 03, 2017
Chris Fletcher
Chris Fletcher rated it it was ok
Mar 14, 2016
Bob Wilkins
Bob Wilkins rated it liked it
Mar 25, 2010
« previous 1 3 4 5 next »
There are no discussion topics on this book yet. Be the first to start one »
  • Young Bleys (Childe Cycle, #10)
  • Inconstant Star (Man-Kzin Wars)
  • Dragons in the Stars (Star Rigger, #2)
  • The Gods of Mars/The Warlord of Mars (Barsoom, #2-3)
  • Extreme Animals: The Toughest Creatures on Earth
  • How Like a God (Suburban Gods, #1)
  • Twistor
  • Greyhaven
  • Asimov on Science Fiction
  • Catlore
  • In Paul Klee's Enchanted Garden
  • The Repairman
  • Equus: The Creation of a Horse
  • The River Wall (Gandalara Cycle, #7)
  • Uller Uprising
  • Burning Tower
  • The Year's Best Science Fiction: Nineteenth Annual Collection
  • Crossfire (Crossfire, #1)
Harry Clement Stubbs better known by the pen name Hal Clement , was an American science fiction writer and a leader of the hard science fiction subgenre.

Further details at Wikipedia.
More about Hal Clement...

Share This Book