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That matters because food waste contributes over half the planet-warming methane emissions that come from landfills, according to the Environmental Protection Agency.
The carbon footprint explained Comparison of the carbon footprint of protein-rich foods [1]. A formal definition of carbon footprint is as follows: "A measure of the total amount of carbon dioxide (CO 2) and methane (CH 4) emissions of a defined population, system or activity, considering all relevant sources, sinks and storage within the spatial and temporal boundary of the population, system ...
The United States Agency for International Development's (USAID) global hunger and food security initiative, the Feed the Future project, is addressing food loss and waste. By addressing food loss and waste, greenhouse gas emission mitigation is also addressed. By only focusing on dairy systems of 20 value chains in 12 countries, food loss and ...
Greenhouse gas emissions: When food waste is sent to landfills, it decomposes and releases methane, a potent greenhouse gas that contributes to climate change. Methane is about 25 times more potent than carbon dioxide in terms of its global warming potential. [15]
Furthermore, the carbon dioxide emissions from food waste that decomposes in landfills, etc., amount to 2.5 kilograms of carbon dioxide per kilogram of food and also produce methane, a greenhouse gas with 25 times the warming potential of carbon dioxide. [105] Food waste also represents a loss of the energy to transport foods from producers to ...
The emissions of ammonia from cattle waste continue to raise concerns over environmental pollution. [ 3 ] When evaluating environmental impact, experts use two types of indicators: "means-based", which is based on the farmer's production methods, and "effect-based", which is the impact that farming methods have on the farming system or on ...
"Local food" campaigns may be motivated by protectionism rather than genuine environmentalism. [46] When looking at total greenhouse gases (not just carbon dioxide), 83% of emissions come from the actual production of the food because of the methane released by livestock and the nitrous oxide due to fertilizer. [45]
Since 1915, food waste has been identified as a considerable problem and has been the subject of ongoing media attention, intensifying with the launch of the "Love Food, Hate Waste" campaign in 2007. Food waste has been discussed in newspaper articles, news reports and television programmes, which have increased awareness of it as a public issue.