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| 1. |
An increasing body of observations gives a collective picture of
a
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warming world and other changes in the climate system.
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| 2. |
Emissions of greenhouse gases and aerosols due to human
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activities continue to alter the atmosphere in ways that are
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expected to affect the climate.
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| 3. |
Confidence in the ability of models to project future climate has
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increased.
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| 4. |
There is new and stronger evidence that most of the warming
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observed over the last 50 years is attributable to human
activities.
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| 5. |
Human influences will continue to change atmospheric
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composition throughout the 21st century.
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| 6. |
Global average temperature and sea level are projected to rise
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under all IPCC SRES scenarios.
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| 7. |
Anthropogenic climate change will persist for many centuries.
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| 8. |
Further action is required to address remaining gaps in
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information and understanding.
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