Explore Our Planet » CO2 Emissions / Historical - it’s simply Global Warming and Climate Change

CO2 Emissions / Historical

Since 1751 roughly 305 billion tons of carbon have been released to the atmosphere from the consumption of fossil fuels and cement production. Half of these emissions have occurred since the mid 1970s.

The 2003 global fossil-fuel CO2 emission estimate, 7303 million metric tons of carbon, represents an all-time high and a 4.5% increase from 2002.

Globally, liquid and solid fuels accounted for 76.7% of the emissions from fossil-fuel burning in 2003. Combustion of gas fuels (e.g., natural gas) accounted for 19.2% (1402 million metric tons of carbon) of the total emissions from fossil fuels in 2003 and reflects a gradually increasing global utilization of natural gas.

Emissions from cement production (275 million metric tons of carbon in 2003) have more than doubled since the mid 1970s and now represent 3.8% of global CO2 releases from fossil-fuel burning and cement production. Gas flaring, which accounted for roughly 2% of global emissions during the 1970s, now accounts for less than 1% of global fossil-fuel releases.

Data from Carbon Dioxide Information Analysis Center (CDIAC)

[ Marland, G., T.A. Boden, and R. J. Andres. 2006. Global, Regional, and National CO2 Emissions. In Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A.]

Year	Total CO2 emissions from fossil-fuels (million metric tons of C)	CO2 emissions from gas fuel consumption	CO2 emissions from liquid fuel consumption	CO2 emissions from solid fuel consumption	CO2 emissions from cement production	CO2 emissions from gas flaring	Per capita CO2 emissions (metric tons of carbon; after 1949 only)
1751	3	0	0	3	0	0
1752	3	0	0	3	0	0
1753	3	0	0	3	0	0
1754	3	0	0	3	0	0
1755	3	0	0	3	0	0
1756	3	0	0	3	0	0
1757	3	0	0	3	0	0
1758	3	0	0	3	0	0
1759	3	0	0	3	0	0
1760	3	0	0	3	0	0
1761	3	0	0	3	0	0
1762	3	0	0	3	0	0
1763	3	0	0	3	0	0
1764	3	0	0	3	0	0
1765	3	0	0	3	0	0
1766	3	0	0	3	0	0
1767	3	0	0	3	0	0
1768	3	0	0	3	0	0
1769	3	0	0	3	0	0
1770	3	0	0	3	0	0
1771	4	0	0	4	0	0
1772	4	0	0	4	0	0
1773	4	0	0	4	0	0
1774	4	0	0	4	0	0
1775	4	0	0	4	0	0
1776	4	0	0	4	0	0
1777	4	0	0	4	0	0
1778	4	0	0	4	0	0
1779	4	0	0	4	0	0
1780	4	0	0	4	0	0
1781	5	0	0	5	0	0
1782	5	0	0	5	0	0
1783	5	0	0	5	0	0
1784	5	0	0	5	0	0
1785	5	0	0	5	0	0
1786	5	0	0	5	0	0
1787	5	0	0	5	0	0
1788	5	0	0	5	0	0
1789	5	0	0	5	0	0
1790	5	0	0	5	0	0
1791	6	0	0	6	0	0
1792	6	0	0	6	0	0
1793	6	0	0	6	0	0
1794	6	0	0	6	0	0
1795	6	0	0	6	0	0
1796	6	0	0	6	0	0
1797	7	0	0	7	0	0
1798	7	0	0	7	0	0
1799	7	0	0	7	0	0
1800	8	0	0	8	0	0
1801	8	0	0	8	0	0
1802	10	0	0	10	0	0
1803	9	0	0	9	0	0
1804	9	0	0	9	0	0
1805	9	0	0	9	0	0
1806	10	0	0	10	0	0
1807	10	0	0	10	0	0
1808	10	0	0	10	0	0
1809	10	0	0	10	0	0
1810	10	0	0	10	0	0
1811	11	0	0	11	0	0
1812	11	0	0	11	0	0
1813	11	0	0	11	0	0
1814	11	0	0	11	0	0
1815	12	0	0	12	0	0
1816	13	0	0	13	0	0
1817	14	0	0	14	0	0
1818	14	0	0	14	0	0
1819	14	0	0	14	0	0
1820	14	0	0	14	0	0
1821	14	0	0	14	0	0
1822	15	0	0	15	0	0
1823	16	0	0	16	0	0
1824	16	0	0	16	0	0
1825	17	0	0	17	0	0
1826	17	0	0	17	0	0
1827	18	0	0	18	0	0
1828	18	0	0	18	0	0
1829	18	0	0	18	0	0
1830	24	0	0	24	0	0
1831	23	0	0	23	0	0
1832	23	0	0	23	0	0
1833	24	0	0	24	0	0
1834	24	0	0	24	0	0
1835	25	0	0	25	0	0
1836	29	0	0	29	0	0
1837	29	0	0	29	0	0
1838	30	0	0	30	0	0
1839	31	0	0	31	0	0
1840	33	0	0	33	0	0
1841	34	0	0	34	0	0
1842	36	0	0	36	0	0
1843	37	0	0	37	0	0
1844	39	0	0	39	0	0
1845	43	0	0	43	0	0
1846	43	0	0	43	0	0
1847	46	0	0	46	0	0
1848	47	0	0	47	0	0
1849	50	0	0	50	0	0
1850	54	0	0	54	0	0
1851	54	0	0	54	0	0
1852	57	0	0	57	0	0
1853	59	0	0	59	0	0
1854	69	0	0	69	0	0
1855	71	0	0	71	0	0
1856	76	0	0	76	0	0
1857	77	0	0	77	0	0
1858	78	0	0	78	0	0
1859	83	0	0	83	0	0
1860	91	0	0	91	0	0
1861	95	0	0	95	0	0
1862	97	0	0	96	0	0
1863	104	0	0	103	0	0
1864	112	0	0	112	0	0
1865	119	0	0	119	0	0
1866	122	0	0	122	0	0
1867	130	0	0	130	0	0
1868	135	0	0	134	0	0
1869	142	0	0	142	0	0
1870	147	0	1	146	0	0
1871	156	0	1	156	0	0
1872	173	0	1	173	0	0
1873	184	0	1	183	0	0
1874	174	0	1	173	0	0
1875	188	0	1	187	0	0
1876	191	0	1	190	0	0
1877	194	0	2	192	0	0
1878	196	0	2	194	0	0
1879	210	0	3	207	0	0
1880	236	0	3	233	0	0
1881	243	0	4	239	0	0
1882	256	0	4	252	0	0
1883	272	0	3	269	0	0
1884	275	0	4	271	0	0
1885	277	1	4	273	0	0
1886	281	2	5	275	0	0
1887	295	3	5	287	0	0
1888	327	5	5	317	0	0
1889	327	3	6	318	0	0
1890	356	3	8	345	0	0
1891	372	2	9	360	0	0
1892	374	2	9	363	0	0
1893	370	2	10	358	0	0
1894	383	2	9	372	0	0
1895	406	2	11	393	0	0
1896	419	2	12	405	0	0
1897	440	2	13	425	0	0
1898	465	2	13	449	0	0
1899	507	3	14	491	0	0
1900	534	3	16	515	0	0
1901	552	4	18	531	0	0
1902	566	4	19	543	0	0
1903	617	4	20	593	0	0
1904	624	4	23	597	0	0
1905	663	5	23	636	0	0
1906	707	5	23	680	0	0
1907	784	5	28	750	0	0
1908	750	5	30	714	0	0
1909	785	6	32	747	0	0
1910	819	7	34	778	0	0
1911	836	7	36	792	0	0
1912	879	8	37	834	0	0
1913	943	8	41	895	0	0
1914	850	8	42	800	0	0
1915	838	9	45	784	0	0
1916	901	10	48	842	0	0
1917	955	11	54	891	0	0
1918	936	10	53	873	0	0
1919	806	10	61	735	0	0
1920	932	11	78	843	0	0
1921	803	10	84	709	0	0
1922	845	11	94	740	0	0
1923	970	14	111	845	0	0
1924	963	16	110	836	0	0
1925	975	17	116	842	0	0
1926	983	19	119	846	0	0
1927	1062	21	136	905	0	0
1928	1065	23	143	890	10	0
1929	1145	28	160	947	10	0
1930	1053	28	152	862	10	0
1931	940	25	147	759	8	0
1932	847	24	141	675	7	0
1933	893	25	154	708	7	0
1934	973	28	162	775	8	0
1935	1027	30	176	811	9	0
1936	1130	34	192	893	11	0
1937	1209	38	219	941	11	0
1938	1142	37	214	880	12	0
1939	1192	38	222	918	13	0
1940	1299	42	229	1017	11	0
1941	1334	42	236	1043	12	0
1942	1342	45	222	1063	11	0
1943	1391	50	239	1092	10	0
1944	1383	54	275	1047	7	0
1945	1160	59	275	820	7	0
1946	1238	61	292	875	10	0
1947	1392	67	322	992	12	0
1948	1469	76	364	1015	14	0
1949	1419	81	362	960	16	0
1950	1630	97	423	1070	18	23	0,65
1951	1767	115	479	1129	20	24	0,69
1952	1795	124	504	1119	22	26	0,69
1953	1841	131	533	1125	24	27	0,69
1954	1865	138	557	1116	27	27	0,69
1955	2043	150	625	1208	30	31	0,74
1956	2177	161	679	1273	32	32	0,78
1957	2270	178	714	1309	34	35	0,8
1958	2330	192	731	1336	36	35	0,8
1959	2462	214	789	1382	40	36	0,83
1960	2577	235	849	1410	43	39	0,85
1961	2594	254	904	1349	45	42	0,84
1962	2700	277	980	1351	49	44	0,86
1963	2847	300	1052	1396	51	47	0,89
1964	3008	328	1137	1435	57	51	0,92
1965	3145	351	1219	1460	59	55	0,94
1966	3305	380	1323	1478	63	60	0,97
1967	3411	410	1423	1448	65	66	0,98
1968	3589	446	1551	1448	70	73	1,01
1969	3801	487	1673	1486	74	80	1,05
1970	4076	516	1839	1556	78	87	1,1
1971	4231	554	1946	1559	84	88	1,12
1972	4399	583	2056	1575	89	94	1,14
1973	4635	608	2241	1581	95	110	1,18
1974	4644	618	2245	1579	96	107	1,16
1975	4615	623	2132	1673	95	92	1,13
1976	4883	650	2313	1710	103	108	1,18
1977	5029	649	2396	1772	108	104	1,19
1978	5097	677	2396	1801	116	106	1,19
1979	5389	719	2550	1905	119	98	1,23
1980	5330	740	2428	1956	120	86	1,2
1981	5164	756	2297	1926	121	64	1,14
1982	5118	746	2200	1987	121	64	1,11
1983	5101	745	2183	1990	125	58	1,09
1984	5281	808	2209	2086	128	51	1,11
1985	5436	836	2189	2232	131	49	1,12
1986	5600	830	2297	2290	137	46	1,13
1987	5731	893	2309	2341	143	44	1,14
1988	5958	935	2416	2405	152	50	1,16
1989	6072	972	2464	2440	156	40	1,17
1990	6143	1025	2542	2378	157	40	1,16
1991	6252	1085	2653	2308	161	44	1,16
1992	6121	1099	2534	2285	167	36	1,12
1993	6129	1118	2573	2225	176	37	1,11
1994	6262	1133	2608	2298	186	37	1,11
1995	6402	1152	2643	2375	196	36	1,13
1996	6560	1211	2694	2416	203	36	1,14
1997	6696	1208	2816	2425	209	37	1,14
1998	6656	1245	2860	2311	209	31	1,14
1999	6522	1276	2806	2191	217	31	1,11
2000	6672	1318	2914	2183	226	31	1,1
2001	6842	1341	2903	2338	236	24	1,11
2002	6973	1371	2877	2450	252	24	1,12
2003	7303	1402	2981	2624	275	21	1,14

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