Okay, so maybe I will give away a hint or two about 'seamlessness'...take this article, for instance, which reports that a carnivorous diet can be responsible for releasing more CO2 and other greenhouse gases than a daily commute. From Food for Thought on Global Warming:
A November 2006 report published by the U.N.'s Food and Agriculture Organization (FAO) revealed that the livestock sector generates more greenhouse gas emissions - 18 percent - than transportation. The FAO also reported that the livestock industry is responsible for 37 percent of anthropogenic (generated by human activity) methane and 65 percent of anthropogenic nitrous oxide, both of which have a higher "global warming potential" than carbon dioxide. The FAO also blamed the livestock sector for heavy deforestation, and according to the World Resources Institute, deforestation is responsible for approximately 20 percent of all global warming emissions.
The FAO report followed an April 2006 study conducted by researchers at the University of Chicago, who compared the amount of fossil fuel necessary to produce various foods, taking into account the fuel needed to run machinery, provide food for animals and irrigate crops. They found that the typical U.S. meat-eater is responsible for nearly 1.5 tons more carbon dioxide per person per year than a vegan (pure vegetarian), simply because of the difference in food choices. An American Journal of Clinical Nutrition report by David Pimentel and Marcia Pimentel indicated that it takes more than 11 times as much fossil fuel to make a calorie of animal protein as it does to make a calorie of plant protein.
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