Note: This is the 1997 edition of UNEP's Global Environment Outlook. If you are interested in more recent information, please see the 2000 and 2002 editions.

Figure 4.5. Recent and projected trends in primary energy consumption.

Alcamo et al. (1996b); Darmstadter (1971).
Primary energy consumption is used here only for purposes of comparison and includes coal; oil; gas; and modern biofuels, nuclear, and renewable resources such as hydropower, solar power, and wind power.