Energy Blue Print
Archive 2007

Moving from principles to action for energy supply that mitigates against climate change requires a long-term perspective. Energy infrastructure takes time to build up; new energy technologies take time to develop. Policy shifts often also need many years to take effect. In most world regions the transformation from fossil to renewable energies will require additional investment and higher supply costs over about twenty years

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global CO2 emissions

Development of global CO2 emissions by sector

Development of CO2 emissions Whilst worldwide emissions of CO2 will almost double under the reference scenario, under the energy [r]evolution scenario they will decrease from 23,000 million tons in 2003 to 11,500 million tonnes in 2050. Annual per capita emissions will drop from 4.0 t to 1.3 t. In the long run efficiency gains and the increased use of biofuels will even reduce CO2 emissions in the transport sector.With a share of 36% of total CO2 in 2050, the power sector will drop below transport as the largest source of emissions.