Climate factors of foods

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Global Warming Potential

The Global Warming Potential is an index that measures the radiative forcing of a unit mass of a given well-mixed greenhouse gas in the present-day atmosphere integrated over a chosen time horizon, relative to that of carbon dioxide.[1]

Global Warming Potential for gases relevant to agriculture(a)
ObsGreenhouse_gas20100500Description
1Nitrous oxide289298153
2Methane72257.6

Food consumption patterns and climate change

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Carbon dioxide, methane, and nitrous oxide emissions from farm to table for 22 items commonly consumed in Sweden("kg)
ObsCommonly comsumed foodsCarbon dioxideNitrous oxideMethaneTotal
1Carrots: domestic, fresh0.380.040.00.42
2Potatoes: cooked, domestic0.400.060.00.45
3Honey0.460.00.00.46
4Whole wheat: domestic, cooked0.540.080.00.63
5Apples: fresh, overseas by boat0.800.020.00.82
6Soybeans: cooked, overseas by boat0.920.0 0.00.92
7Milk: domestic, 4% fat0.450.140.451.0
8Sugar: domestic1.040.030.01.1
9Italian pasta: cooked0.960.120.01.1
10Oranges: fresh, overseas by boat1.10.100.01.2
11Rice: cooked0.590.210.521.3
12Green beans: South Europe, boiled1.20.120.01.3
13Herring: domestic, cooked1.50.00.01.5
14Vegetables: frozen, overseas by boat, boiled2.20.050.0 2.3
15Eggs: Swedish, cooked1.70.740.042.5
16Rapeseed oil: from Europe1.51.50.03.0
17Chicken: fresh, domestic, cooked3.11.20.014.3
18Cod: domestic, cooked8.50.00.08.5
19Pork: domestic, fresh, cooked3.91.63.89.3
20Cheese: domestic5.01.34.511
21Tropical fruit: fresh, overseas by plane110.230.011
22Beef: domestic, fresh, cooked6.96.61730

Values represent kg CO2 equivalents over a 100-y time period.

References

  1. Annika Carlsson-Kanyama and Alejandro D Gonzalez (2009)[1]