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Raising enormous numbers of land animals for food—more than 77 billion globally in 2013—causes significant emissions of three of the most important climate-changing gases, disrupting weather, temperature, and ecosystem health.

Practically every stage of meat, egg, and dairy production contributes to the climate crisis by releasing greenhouse gases into the atmosphere. HSI promotes transition away from industrial farm animal production to more sustainable—and welfare-friendly—forms of agriculture, as well as a reduction in the number of animals raised for food. You can help by adopting a diet that is more friendly to animals and the environment.

During COP24 in December 2018, HSI held a policy discussion on moving toward plant-based diets as a way to mitigate climate change.

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HSI works to address climate change and other issues related to the environment and animal agriculture. Learn more in our report, "The Impact of Animal Agriculture on the Environment and Climate Change in Brazil."

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