
TED Talks Daily The problem with food and climate — and how to fix it | Jonathan Foley
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Jul 25, 2024 Sustainability scientist Jonathan Foley dives deep into the connection between food and climate change. He reveals that global food production contributes to a third of all greenhouse gas emissions. Foley emphasizes the urgent need for reforms in the food system, advocating for a reduction in waste and the promotion of plant-rich diets. He also discusses innovative farming practices to cut fertilizer pollution while maintaining yields. With his insightful data-backed solutions, Foley provides a roadmap for creating a more sustainable food system.
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Food's Climate Impact
- Food production significantly contributes to climate change through land use and greenhouse gas emissions.
- Animal agriculture occupies a substantial portion of this land, highlighting its environmental impact.
Food System Emissions
- Agriculture, land use, and the food system contribute about 22% of global emissions, comparable to electricity or industry.
- Deforestation, methane from livestock, industrial farming, and rice production are the main culprits.
Indirect Food Emissions
- Beyond direct emissions, the food system indirectly contributes to greenhouse gases through food waste and energy consumption in processing and transportation.
- The total impact of the food system on greenhouse gas emissions is estimated to be around 34%.

