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Billion tonnes CO 2<br />

90.0<br />

80.0<br />

70.0<br />

60.0<br />

50.0<br />

40.0<br />

30.0<br />

20.0<br />

10.0<br />

Global emission of fossil fuel CO 2 (inc. cement)<br />

0.0<br />

1980 1990 2000 2010 2020 2030 2040 2050<br />

Year

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