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A significant reduction in meat consumption will be essential to mitigate climate change, especially as the human population increases by a projected 2.3 billion by the middle of the century. [5] A 2019 report in The Lancet recommended that global meat consumption be halved to mitigate climate change. [105]
One paper estimated that if global warming reaches 2.5 °C (4.5 °F), then the cost of rearing broilers in Brazil increases by 35.8% at the least modernized farms and by 42.3% at farms with the medium level of technology used in livestock housing, while they increase the least at farms with the most advanced cooling technologies.
On the demand side, limiting food waste is an effective way to reduce food emissions. Changes to a diet less reliant on animal products such as plant-based diets are also effective. [10]: XXV With 21% of global methane emissions, cattle are a major driver of global warming.
“Reducing human-caused methane emissions is one of the fastest, most cost-effective strategies to reduce the rate of warming and contribute to global efforts to limit temperature rise to 1.5°C ...
The goal is to reduce nitrogen waste from farmers’ fields by 50% by 2030. Halve meat and dairy in diet to reduce nitrogen pollution, says UN Skip to main content
In one group, the meat option came with a warning label that read “Eating meat contributes to poor health,” paired with an image of someone having a heart attack. This saw an 8.8% drop in meat ...
Due to their increased efficiency, CAFOs provide a source of low cost animal products: meat, milk and eggs. CAFOs may also stimulate local economies through increased employment and use of local materials in their production. [38] The development of modern animal agriculture has increased the efficiency of raising meat and dairy products.
In Asia, global warming of 1.5 °C (2.7 °F) will reduce the ice mass of Asia's high mountains by about 29–43%,: [56] Approximately 2.4 billion people live in the drainage basin of the Himalayan rivers: [57] In India alone, the river Ganges provides water for drinking and farming for more than 500 million people.