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.