When you have read this chapter you will:
Understand the difference between climate variability and climate change and know the characteristic features that may constitute a change of climate,
Be aware of the different timescales on which past climatic conditions are studied and the sources of evidence that may be used,
Recognize the major climatic forcing factors and feedback mechanisms and the timescales over which they may operate,
Be aware of the anthropogenic contributions to climate change,
Appreciate the possible impacts of climate change on environmental systems and on society.
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