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Yes, you might have heard, which lead you to ask this question. I remember seeing graph's of how much and what time frame Carbon 12 has been put into are atmosphere.
Here is one website that has a good explanation about it, all I did was type carbon 12 released from burning fossil fuels.
http://www.realclimate.org/index.php/archives/2004/12/how-do-we-know-that-recent-cosub2sub-increases-are-due-to-human-activities-updated/
And here is a short passage from that website...
Another, quite independent way that we know that fossil fuel burning and land clearing specifically are responsible for the increase in CO2 in the last 150 years is through the measurement of carbon isotopes. Isotopes are simply different atoms with the same chemical behavior (isotope means "same type") but with different masses. Carbon is composed of three different isotopes, 14C, 13C and 12C. 12C is the most common. 13C is about 1% of the total. 14C accounts for only about 1 in 1 trillion carbon atoms.
CO2 produced from burning fossil fuels or burning forests has quite a different isotopic composition from CO2 in the atmosphere. This is because plants have a preference for the lighter isotopes (12C vs. 13C); thus they have lower 13C/12C ratios. Since fossil fuels are ultimately derived from ancient plants, plants and fossil fuels all have roughly the same 13C/12C ratio - about 2% lower than that of the atmosphere. As CO2 from these materials is released into, and mixes with, the atmosphere, the average 13C/12C ratio of the atmosphere decreases
What else can I help you with?
Is carbon dioxide a gas from fossil fuel?
Yes, carbon dioxide is a gas that is produced when fossil fuels are burned. Fossil fuels such as coal, oil, and natural gas release carbon dioxide into the atmosphere when they are used for energy production.
Which energy sources produce carbon dioxide and sulphur dioxide?
Burning coal (a fossil fuel) releases carbon dioxide and sulphur dioxide.
What Carbon moves through the carbon cycle in all of the processes except what?
Carbon moves through the carbon cycle in all processes, except for the burning of fossil fuels. Fossil fuel burning releases carbon dioxide (CO2) into the atmosphere, which disrupts the natural carbon cycle by increasing the concentration of CO2, a greenhouse gas, in the atmosphere.
How could you alert people about fossil fuel burning?
By explaining how it releases extra carbon dioxide which is causing global warming.
Will a battery give off carbon monoxide?
No, a battery does not produce carbon monoxide as it does not involve combustion or burning of fuel. Carbon monoxide is mainly produced by incomplete combustion of fossil fuels.
Word equation for burning fossil fuels?
Burning fossil fuels results in the combustion of hydrocarbons, releasing carbon dioxide, water, and energy. The general chemical equation for burning a hydrocarbon fuel is hydrocarbon + oxygen -> carbon dioxide + water + energy.
What is the role of carbon monoxide and carbon dioxide in vehicles?
Carbon monoxide is the waste produced from burning a fossil fuel
Which environment concern is the most associated with burning fossil fuel?
Air pollution is the most associated environmental concern with burning fossil fuels. The combustion of fossil fuels releases pollutants such as carbon dioxide, sulfur dioxide, nitrogen oxides, and particulate matter into the atmosphere, contributing to smog, acid rain, and climate change.
What is the largest suspected environmental problem associated with the burning of fossil fuel?
Global warming.
What fossil fuel is the cleanest burning fuel?
Natural gas (methane (CH4)) is the cleanest burning fuel, emitting the smallest amount of carbon dioxide of all the fossil fuels (coal, oil and natural gas).
Why does burning fossil fuel pollute the air?
It produces carbon monoxide and other pollutants.
Carbon monoxide may be produced in the process of burning of fossil fuels?
If the burning is incomplete it will. Ideally perfect burning of fuel produces water vapor and carbon dioxide.
Is petroleum the cleanest burning fossil fuel?
No. Petrol is cleaner than coal, but it is not the cleanest. Natural gas (methane (CH4)) is the cleanest burning fuel, emitting the smallest amount of carbon dioxide of all the fossil fuels (coal, oil and natural gas).
When fossil fuel burns which gas is generated?
The main product is carbon dioxide. Aproximatlely 3 kg of carbon dioxide is produced by burning 1 kg of fossil fuel. The extra mass is from the oxygen taken from the atmosphere during burning.
What are the waste products formed from burning fuel?
Burning fossil fuels like gasoline has emissions of carbon dioxide and water.
What are two human activities by which carbon can enter the atmosphere as CO2 during the carbon cycle?
Driving vehicles that run on fossil fuel. Burning oil releases carbon dioxide.Using electricity. Most electricity is now generated by burning fossil fuels. This burning emits carbon dioxide.
What is one cost you have to pay for burning fossil fuel?
Burning fossil fuels releases lots of carbon into the atmosphere much faster than the natural carbon cycle. This causes excess carbon and greenhouse environments that can impact climate.
