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Animal agriculture, in particular meat production, can cause pollution, greenhouse gas emissions, biodiversity loss, disease, and significant consumption of land, food, and water. Meat is obtained through a variety of methods, including organic farming , free-range farming , intensive livestock production , and subsistence agriculture .
Livestock produces the majority of greenhouse gas emissions from agriculture and demands around 30% of agricultural freshwater needs, while only supplying 18% of the global calorie intake. Animal-derived food plays a larger role in meeting human protein needs, yet is still a minority of supply at 39%, with crops providing the rest. [93]: 746–747
At the same time, insects are the most diverse animal taxa, and some species will benefit from the changes, including notable agricultural pests and disease vectors. [109] Insects that previously had only two breeding cycles per year could gain an additional cycle if warm growing seasons extend, causing a population boom.
The diversity of animal genetic resources includes diversity at species, breed and within-breed level. Known are currently 8,800 different breeds of birds and mammals within 38 species used for food and agriculture. [1] The main animal species used for food and agriculture production are cattle, sheep, goats, chickens and pigs. In the livestock ...
The negative impact of agriculture is an old issue that remains a concern even as experts design innovative means to reduce destruction and enhance eco-efficiency. [2] Animal agriculture practices tend to be more environmentally destructive than agricultural practices focused on fruits, vegetables and other biomass. The emissions of ammonia ...
Data from DAD-IS is used for reporting on the global status and trends of animal genetic resources, including the data for indicators 2.5.1b (number of animal genetic resources for food and agriculture secured in either medium- or long-term conservation facilities) [4] and 2.5.2 (proportion of local breeds classified as being at risk of ...
In the United States, agriculture is the second largest emitter of greenhouse gases (GHG), behind the energy sector. [1] Direct GHG emissions from the agricultural sector account for 8.4% of total U.S. emissions, but the loss of soil organic carbon through soil erosion indirectly contributes to emissions as well. [2]
It then documents the current state of factory farming and the farmed animal movement that seeks to reform or abolish animal agriculture. The book then discusses various strategies that can be and are being utilized, such as cage-free egg campaigns, vegetarian activism, and innovative food technologies such as plant-based and cellular ...