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fossil fuel emissions
The 1990 emissions map is derived from the data prepared by Andres, Marland, Fung, and Matthews and can be found (with detailed supporting information) at the CDIAC website: http://cdiac.ornl.gov/epubs/ndp/ndp058/ndp058_v2010.html
The 1995 emissions map is derived from the data prepared by Antoinette Brenkert and can be found (with detailed supporting information) at the CDIAC website: http://cdiac.esd.ornl.gov/ndps/ndp058a.html
The original 1 x 1 degree maps were subsampled to 0.5 x 0.5 degree maps in which the first grid cell is centered at 89.75 S latitude, 179.75 W longitude, proceeding in the longitudinal direction.
The emissions pattern in 1995 changed somewhat from the 1990 - mostly due to some additional emissions in growing Asiatic economies and lowered emissions parts of Europe (for example, significant drops in Russia and Ukraine).

Here are a couple of images to highlight these recent changes:
 
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