carbon dioxide, co2 emissions
Average Global CO2 Emmission
Global CO2 Emmission Trend
$ 92,279,749
Boats Produced Globally

Common Questions

What is Carbon Dioxide (co2)?

What is Carbon Dioxide (co2) used for?

Carbon dioxide is used as a refrigerant, in fire extinguishers, for inflating life rafts and life jackets, blasting coal, foaming rubber and plastics, promoting the growth of plants in greenhouses, immobilizing animals before slaughter, and in carbonated beverages. And most improtantly it is food for all plants on earth.

What does PPM mean?

PPM is an abbreviation for "parts per million" and it also can be expressed as milligrams per liter (mg/L). This measurement is the mass of a chemical or contaminate per unit volume of water. Seeing ppm or mg/L on a lab report means the same thing.

One ppm is equivalent to the absolute fractional amount multiplied by one million. A better way to think of ppm is to visualize putting four drops of ink in a 55-gallon barrel of water and mixing it thoroughly. This procedure would produce an ink concentration of 1 ppm. Some other analogies that may help you visualize the scale involved with ppm. One ppm is like:

An even smaller concentration measurement is parts per billion (ppb). One ppb is one part in 1 billion. Because a ppb is a much lower concentration, some analogies would be :

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The data on this page shows.

Data Sources

NOAA / Global Monitoring Laboratory (Earth System Research Laboratories)

Data Information

The uncertainty in the global monthly mean is estimated using a monte carlo technique that computes 100 globally-averaged time series, each time using a slightly different set of measurement records from the NOAA ESRL cooperative air sampling network. The reported uncertainty, 0.13 ppm, is the mean of the standard deviations for each monthly mean using this technique. Please see Conway et al., 1994, JGR, vol. 99, no. D11. for a complete discussion. Units are ppm. CO2 expressed as a mole fraction in dry air, micromol/mol, abbreviated as PPM.

NOTE: In general, the data presented for the last year are subject to change. depending on recalibration of the reference gas mixtures used, and other quality control procedures. Occasionally, earlier years may also be changed for the same reasons. Usually these changes are minor.

Year Month Decimail Average Trend