Most scientists and environmental experts view livestock grazing as an ecological disaster. For starters, cows and sheep are indiscriminate eaters and tend to remove every piece of grass and shrub in sight, thus eliminating shelter and food for birds and other wildlife, leading to their decline.
In drier regions, landscape used extensively and repeatedly for grazing eventually turns into barren wasteland not even suitable for the livestock themselves. Further, the significant amounts of waste that livestock animals leave behind play a key role in the pollution of our freshwater supplies:
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