Beyond the Book: Background information when reading The Big Necessity

Summary |  Excerpt |  Reviews |  Beyond the Book |  Readalikes |  Genres & Themes |  Author Bio

The Big Necessity

The Unmentionable World of Human Waste and Why It Matters

by Rose George

The Big Necessity
  • Critics' Opinion:

    Readers' Opinion:

  • First Published:
    Oct 2008, 304 pages
    Jul 2009, 304 pages

  • Rate this book

Book Reviewed by:
Beth Hemke Shapiro

Buy This Book

About this Book

Beyond the Book

Biogas Digesters
In The Big Necessity Rose George introduces readers to biogas digesters in rural China. Biogas digesters (often shortened to biodigesters) are permanent structures, usually constructed of cement, in which waste (human, animal and agricultural leftovers) decompose in the lower section causing the micro-organisms to release methane that is collected in the upper section.

There’s evidence that biogas was used to heat bath water in Assyria around 10 BC. The first modern-day biodigester was built in a leper colony in Bombay India in 1859. China began using biogas technology back in the late nineteenth century. By the end of 2005 there were about 17 million digesters, predominantly in rural areas, with about 50 million Chinese reaping the benefits. By 2020 biogas could potentially supply energy to one quarter of Chinese rural households. The reactors are commonly built in tandem with new pigsties, with toilets draining directly into them. In...

Members Only

BookBrowse's reviews and backstories are a members-only benefit. Full information is available on books for a limited time when they are featured as "Editor's Choices" - but that time has now elapsed for this book.

Join Today

Member Login

Library Patrons

Support BookBrowse

Become a Member
and discover your next great read!

Join Today!

Editor's Choice

  • Book Jacket: Hag-Seed
    by Margaret Atwood
    There's a scene in The Tempest that many critics have concluded is indicative of Shakespeare&#...
  • Book Jacket: Crossing the Horizon
    Crossing the Horizon
    by Laurie Notaro
    In Crossing the Horizon, Laurie Notaro takes us back to a time when flying was a rare and risky ...
  • Book Jacket
    Auntie Poldi and the Sicilian Lions
    by Mario Giordano
    Munich matron and self-described worldly sophisticate, Isolde Oberreiter, has decided to retire to a...
Book Discussions
Book Jacket
The Bone Tree
by Greg Iles

An epic trilogy of blood and race, family and justice.

About the book
Join the discussion!

First Impressions

  • Book Jacket

    The Next
    by Stephanie Gangi

    Fast-paced, wickedly observant, and haunting in the best sense of the word.

    Read Member Reviews

Win this book!
Win The World of Poldark

Win the book & DVD

Enter to win The World of Poldark and the full first series on DVD.


Word Play

Solve this clue:

One S D N M A S

and be entered to win..

Books that     

 & enlighten

Visitors can view some of BookBrowse for free. Full access is for members only.

Join Today!

Your guide toexceptional          books

BookBrowse seeks out and recommends books that we believe to be best in class. Books that will whisk you to faraway places and times, that will expand your mind and challenge you -- the kinds of books you just can't wait to tell your friends about.


Free Weekly Newsletter

Keep up with what's happening in the world of books:
Reviews, previews, interviews and more!

Spam Free: Your email is never shared with anyone; opt out any time.