The U.S. agriculture sector extends beyond the farm business to include a range of farm-related industries. The largest of these are food service and food manufacturing. Americans’ expenditures on food amount to 13 percent of household budgets on average. Among Federal Government outlays on farm and food programs, nutrition assistance far outpaces other programs.
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Agriculture and land use are major sources of greenhouse gas (GHG) emissions but previous estimates were either highly aggregate or provided spatial details for subsectors obtained via different methodologies. Using a model–data integration approach that ensures full consistency between subsectors, we provide spatially explicit estimates of production- and consumption-based GHG emissions worldwide from plant- and animal-based human food in circa 2010. Global GHG emissions from the production of food were found to be 17,318 ± 1,675 TgCO2eq yr−1, of which 57% corresponds to the production of animal-based food (including livestock feed), 29% to plant-based foods and 14% to other utilizations. Farmland management and land-use change represented major shares of total emissions (38% and 29%, respectively), whereas rice and beef were the largest contributing plant- and animal-based commodities (12% and 25%, respectively), and South and Southeast Asia and South America were the largest emitters of production-based GHGs.
As with most things related to people, the food we eat comes with a carbon cost. Soil tillage, crop and livestock transportation, manure management and all the other aspects of global food production generate greenhouse gas emissions to the tune of more than 17 billion metric tons per year, according to a new study published on Monday in Nature Food. Animal-based foods account for 57 percent of those emissions, and plant-based ones make up 29 percent.
Transitioning to more sustainable forms of agriculture remains critical, as many current agriculture practices have serious consequences including deforestation and soil degradation. But despite agriculture’s enormous potential to hurt the environment, it also has enormous potential to heal it. Realizing this, many organizations are promoting regenerative agriculture as a way to not just grow food but to progressively improve ecosystems.
Food Tank compiled a list of 119 organizations to keep an eye on in 2019 that are working towards a more sustainable food system.