(Source: CSIRO - Commonwealth Scientific and Industrial Research Organisation) Livestock 'digestion' produces nearly 3 billion tonnes of greenhouse gases each year. Cattle image from www.shutterstock.com Farming livestock - cattle, sheep, goats, pigs and chickens - contributes around 6 billion tonnes of greenhouse gases (carbon dioxide, methane and nitrous oxide) to the atmosphere each year. While estimates vary, this could represent up to 18% of global emissions. But the livestock sector also offers great benefits. It includes 20 billion animals, supports 1.3 billion farmers and retailers, and contributes up to . The , mostly in the developing world. Our study, published in Nature Climate...
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