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The term "Carbon Footprint" is a metaphor for the contribution a person makes to the Co2 levels. (Co2 = Carbon Dioxide)
So your question is what causes Co2 emissions.
There are many things, the obvious being what mammal life exhales from breathing and motor vehicle exhausts and airplanes.
When talking about Carbon Footprints I assume you are actually asking what causes CO2. Carbon is a finite item on the planet. There is the same carbon today that existed millions of years ago.
Nature produces the most CO2. 94% of it in fact. The 6% that is caused by man is made up of from objects that would have made CO2 even if man did not burn it.
This CO2 is absorbed mainly by the oceans, not by plants and trees. CO2 has been roughly consistent in our atmosphere for thousands of years. It makes up about 0.03% to 0.038% of the atmosphere.
What else can I help you with?
What causes carbon dioxide?
fossil fuels and breathing causes carbon dioxide :)
How can carbon dioxide be a distruction to ozone layer?
Carbon dioxide causes global warming. It then causes ozone depletion.
How does carbon dioxde effect the ozone layer?
Carbon dioxide causes global warming issue. This issue causes ozone depletion.
What are the causes of carbon emissions?
The causes of carbon emissions are humans. We humans use fuel by DRIVING TOO MANY FUEL CARS AND TRUCKS!
How does carbon manoxide destroy the earth's ozone?
Carbon mono oxide causes greenhouse effect. Greenhouse effect then causes ozone depletion.
What are causes of carbon emission?
The causes of carbon emissions are humans. We humans use fuel by DRIVING TOO MANY FUEL CARS AND TRUCKS!
Burning fossil fuels causes a movement of carbon from the?
burning fossil fuels causes a movement of carbon from the Earth's crust into the atmosphere as carbon dioxide, contributing to the greenhouse effect and global warming.
Carbon Monoxide from cigarettes causes?
The same as carbon monoxide from other sources at the same DOSE.
Does beer contain carbon doixide?
Yes the gas that causes beer to froth is carbon dioxide.
What causes carbon dioxide to turn to carbon monoxide?
revalent ideas and personification it can remain difficulty
What are the causes of carbon dioxide?
Pollution and stuff like that
What are causes of Oxides of carbon?
Particularly, Burning of fuels
