Global Warming＞Observation of Climate Change
Last Update: Jun.1, 2004
Global warming is caused by anthropogenic activities.
CO2 Emission by Fuel
Fossil fuel consumption is increasing

rapidly to satisfy growing energy

demand after the Industrial

Revoluation, which started at the

end of the 18th century.
Fossil fuel combustion:
    C       +       O2      ->     CO2
(Carbon in     (Oxide in
Fossil fuel)    Atmosphere)
Source: Carbon Dioxide Information Analysis Center, ORNL
Atmospheric CO2 Concentration and Global mean Temperature
Atmospheric CO2 concentration

and global mean temperature

increase with the rapid

increase of CO2 emission.

Source: Carbon Dioxide Information Analysis Center, ORNL