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potato - carbon footprint

Find carbon footprint:
0.2 - 0.3 (average: 0.25) kg CO2 per 1 kg
Can you help? Add carbon footprint for potato
(use this if you have better or more accurate data than listed above)

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Global CO2 numbers

What amount of carbon dioxide is still OK?
Roughly, people in developed countries emit more than 20 kgs per day. This number includes everything: food consumption, heating, transportation and 'common issues' - for example CO2 emissions from road constructions or military.
Search for name of your country to see how it stands.

But the long term survival limit is way lower: about 3.5 kgs per person per day.
What is 'long term survival limit'? It is a amount of carbon dioxide, that the biosphere is able to handle without unwanted effects, such as: global warming, ocean acidification, glacier melting and so on.