world energy consumption the ieo2003 projections indicate continued growth in use including large increases for developing economies of asia resources are thought to be adequate support expected through 2025 theoutlookpresentedintheinternationalenergyoutlook 2003 shows continuing strong worldwide demand over next 24 years total is expand by 58 percent between 2001 and from 404 quadrillion british thermal units btu 640 table 1 figure 12 overall global econ omy did not perform strongly 2002 us markets was hindered several corporate scan dalsandbyrelativelyhighworldoilprices andtheslow economy had negative impacts on many marketsthatrelyheavilyonexportstotheunitedstates nevertheless mid term outlook continues show robust among thedevelopingnationsoftheworld figure13 particu larly china india wheredemandforenergyisexpectedtomorethandou ble quarter century this chapter begins with an overview current eco nomic trends that influencing short followed a presentation out look primary source andadiscussionofprojectionsforworldcarbondioxide emissions resulting combustion fossil fuels uncertaintyintheforecastishighlightedbyanexamina tion alternative assumptions