Untitled

                Global Greenhouse Gas Emissions (1993-2002)
       50 +--------------------------------------------------+
          |                                                  |
          |                                                  |
Emissions |                                                  |
(Gigatons)|                                                  |
       40 +                                                  +
          |                                                  |
          |                                                  |
          |                                                  |
       30 +                                                  +
          |                                                  |
          |                                                  |
          |                                                  |
       20 +                                                  +
          |                                                  |
          |                                                  |
          |                                                  |
       10 +                                                  +
          |                                                  |
          |                                                  |
          |                                                  |
       0  +--------------------------------------------------+
          1993         1996         1999         2002