Sc. Medical Veterinarian, Homeopata Secretary of the ABPO (Cattle Brazilian Association of Organic) Campo Grande, MS thimoteolobreiro@ uol.com.br He counts a legend, of the existence of a lost valley in some place of the universe inhabited for pretty carrying black swallows of one, strategically located, white spot in the extremity of the left wing. A traveller visited the valley, and in its peregrinations for distant nations, frequent she spoke on them. Time passing, already heard of the existence of a valley inhabited for pintassilgados birds of white and black person. In the current days, in many wheels of enlevo to the nature, it is said on the beauty of certain total white bird that inhabits certain lost valley in some sings of the universe.
That this metaphor can illustrate stretches of the text to follow. As the bovine meat, and one human being, that it makes of it its bigger gastronmico pleasure, contributes for the carbon footprint of the bovines: why bovine fed the grass they possess a negative balance in carbon footprints? the addition of all GEE emitted during the process of production of the related one well, product or service. At the end of the year of 2009, the FAO Organization for Foods and Agriculture of the Joined Nations made, what in my interpretation, considered as one mea culpa for the paper of the bovines in the global heating. Through its department of Property of the Land and Unit of Manejo (NRLA) and Division of Waters and Lands, it published a story under the heading: Revision of the evidences of the pastoral systems in dry lands for the climatic changes the long and extensive shades of the animal creation (3). Herclea task to express in an only value the result of the estimates of the emissions of the GEE of all the systems of animal creation of all the rinces of the planet, being pasteurizando everything in a myopic intention to make responsible the animal creation for 18% of the GEE mensurados in Co2 equivalent.