methane from livestock primarily comes from burping (the technical term is eructation), not from the other end.

--
Michael Gillenwater
GHG Inventory Experts Network
www.ghgnetwork.org
--

Less livestock = less emmissions.

Less pasture leaves more room for forests. I think all can agree that more forests would be a good thing for the planet.

Sustainability of meat-based and plant-based diets and the environment
by David Pimentel and Marcia Pimentel
http://www.ajcn.org/cgi/content/full/78/3/660S#FN2

Livestock's Long Shadow - U.N. report
http://www.virtualcentre.org/en/library/key_pub/longshad/ ...

The far ranging environmental impacts of global meat consumption -
WorldWatch Institute report
http://www.worldwatch.org/node/1670

World Wildlife Fund: Environmental Impact of Beef

Facts About Beef Inputs & Protein Outputs - Cornell report
http://www.news.cornell.edu/releases/Aug97/livestock.hrs. ...

EarthSave Report: A New Global Warming Strategy:
How Environmentalists are Overlooking Vegetarianism as
the Most Effective Tool Against Climate Change in Our
Lifetimes by Noam Mohr
http://www.earthsave.org/globalwarming.htm

Humans' beef with livestock: a warmer planet
American meat eaters are responsible for 1.5 more tons of carbon dioxide per person than vegetarians every year
By Brad Knickerbocker, staff writer of The Christian Science Monitor
from the February 20, 2007 edition - http://www.csmonitor.com/2007/0220/p03s01-ussc.htm

Full HTML version of this story which may include photos, graphics, and related links

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Links to websites and articles

Eco-Eating: Eating As If the World Matters:
http://www.brook.com/veg/

The Poor Get Stuffed by George Monbiot
We cannot feed the world's livestock and the world's people:
http://www.monbiot.com/archives/2002/12/24/the-poor-get-s ...

Meet Your Meat (Narrated by Alec Baldwin)
http://www.meat.org/

Rainforest Destruction: What's Meat Got to Do With It? by Steven Best:
http://www.drstevebest.org/papers/vegenvani/rainforest.ph ...

Beyond Beef
http://www.mcspotlight.org/media/reports/beyond.html

Save the World With Your Fork
http://www.celsias.com/2006/11/22/save-the-world-with-you ...

Global Warming and Meat Overconsumption:   A Few More
Inconvenient Truths by Kathy Freston
http://www.huffingtonpost.com/kathy-freston/a-few-more-in ...

The Coming Crisis:  Environmental Disaster, The Global Meat Culture,
And Your Health by Steven Best:
http://www.drstevebest.org/papers/vegenvani/crisis.php

The Case Against Meat: Evidence Shows that Our Meat-Based Diet is
Bad for the Environment, Aggravates Global Hunger, Brutalizes Animals
and Compromises Our Health by Jim Motavalli, E Magazine
http://extreme.trailfire.com/espressoemily/marks/52446

Meat is a Global Warming Issue by Dan Brook, E Magazine
http://www.alternet.org/story/40639/

Warrior for a Healthy Planet by James Faber
http://www.consciouschoice.com/1995-98/cc116/howardlyman. ...

Boss Hog: Rolling Stone report on Smithfield and the pig factory industry
http://www.treehugger.com/files/2006/12/boss_hog_rollin_1 ...

Energy Justice Network: Toxic Hazards Posed by Poultry Litter Incineration
http://www.energyjustice.net/fibrowatch/toxics.html

Veganism in a Nutshell - Bruce Friedrich:
http://www.drstevebest.org/papers/book_reviews/vegannutsh ...

Q: Who is behind the rapid extermination of the Amazon forest?
A: American agrobusiness giants, ADM, Bunge, and Cargill are.  See
http://petroleum.berkeley.edu/patzek/BiofuelQA/Materials/ ...

The True Cost of Food:
http://www.truecostoffood.org/leaders.asp

So You're an Environmentalist; Why Are You Still Eating Meat?
Short version by Jim Motavalli, E Magazine
http://www.creationsmagazine.com/articles/C84/Motavalli.h ...

So You're an Environmentalist; Why Are You Still Eating Meat?
Full version by Jim Motavalli, E Magazine
http://www.alternet.org/story/12162/

The Physicians Committee for Responsible Medicine on Vegan & Vegetarian Diets:
http://www.pcrm.org/health/veginfo/

The China Study by T. Colin Campbell and Thomas M. Campbell, II:
http://www.thechinastudy.com/about.html

Mad Cowboy: Plain Truth From the Cattle Rancher Who Won't Eat Meat:
http://www.madcowboy.com/

Diet for a Small Planet by Frances Moore Lappe'
http://www.smallplanetinstitute.org/