Latest research: Replacing 50% of animal foods with plant-based diets can almost stop deforestation

A modeling study published in Nature Communications on September 12 found that replacing 50% of pork, beef, chicken and milk consumption with plant-based products could reduce global greenhouse gas emissions from agriculture and land use in 2050. A 31% reduction compared to 2020 and halting the degradation of forests and natural lands.


Replacing 50% of animal food with plants could also reduce biodiversity loss from 2.1% to 0.9% by 2050. If 90% of animal food was replaced, biodiversity loss would actually be reversed between 2030 and 2040.

The study, conducted by researchers at UVM, the International Institute for Applied Systems Analysis (IIASA), Biodiversity International, and CIAT, is the first to examine the impact of large-scale plant-based meat and plant-based milk consumption on global food security and the environment.

"Understanding the impact of dietary changes can expand our options for reducing greenhouse gas emissions. Changing dietary habits can also significantly improve biodiversity," said IIASA researcher Marta Kozicka, lead author of the study.


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