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05 Dec 2009 description

Adovocacy Tool Kit

Overall situation

- In the past 100 years, the global average temperature has risen by about 0.74 degrees Celsius.

- The rate of change accelerated over the course of the 20th Century.

- Projections in temperature rise for the 21st century range from 2 to 4 degrees Celsius.

- It is very likely that this temperature rise is mainly caused by the emission of what are known as greenhouse gases, such as carbon dioxide (C02) and methane.