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Emissions of Greenhouse Gases in the United States 2003: Executive Summary
Table ES1. Summary of Estimated U.S. Emissions of Greenhouse Gases, 1990 and 1995-2003
(Million Metric Tons of Gas)
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| Gas |
1990 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
P2003 |
| Carbon Dioxide |
4,990.1 |
5,306.7 |
5,495.5 |
5,558.1 |
5,590.7 |
5,671.6 |
5,844.8 |
5,777.0 |
5,824.8 |
5,870.2 |
| Methane |
30.8 |
29.6 |
28.3 |
28.2 |
27.2 |
26.6 |
26.7 |
26.0 |
26.1 |
26.2 |
| Nitrous Oxide |
1.1 |
1.2 |
1.2 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
1.1 |
| HFCs, PFCs, and SF6 |
M |
M |
M |
M |
M |
M |
M |
M |
M |
M |
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Table ES2. U.S. Emissions of Greenhouse Gases, Based on Global Warming Potential, 1990 and 1995-2003
(Million Metric Tons Carbon Dioxide Equivalent)
Printer Friendly Version
| Gas |
1990 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
P2003 |
| Carbon Dioxide |
4,990.1 |
5,306.7 |
5,495.5 |
5,558.1 |
5,590.7 |
5,671.6 |
5,844.8 |
5,777.0 |
5,824.8 |
5,870.2 |
| Methane |
707.8 |
681.6 |
650.5 |
647.7 |
624.6 |
612.3 |
614.7 |
598.3 |
599.2 |
601.9 |
| Nitrous Oxide |
328.7 |
347.9 |
346.5 |
337.0 |
336.4 |
335.2 |
331.2 |
325.6 |
323.2 |
320.2 |
| HFCs, PFCs, and SF6 |
88.5 |
94.7 |
114.7 |
122.4 |
138.0 |
137.8 |
142.4 |
134.2 |
143.7 |
143.4 |
| Total |
6,115.2 |
6,430.9 |
6,607.1 |
6,665.1 |
6,689.6 |
6,756.9 |
6,933.0 |
6,835.0 |
6,890.9 |
6,935.7 |
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