“Warming of the climate system is unequivocal”. (IPCCa, 2007) Climate change is gaining momentum and is (becoming) the most important issue for the governments and peoples of the world. In relation to Angola* (IPCC, 2007), the following points (with focus on water) show the great risks ahead:
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“Droughts have mainly affected the Sahel, the Horn of Africa and southern Africa, particularly since the end of the 1960s”
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“Eastern and southern African countries are also characterised by water stress brought about by climate variability and wider governance issues “
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For southern Africa and with the A2 emissions scenario, it was “found for the 2080s a 3.7°C increase in summer (December to February) mean surface air temperature and a 4°C increase in winter (June to August).” (the actual values are less than 1/3)
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“… winter (June to August) rainfall will very probably decrease in much of southern Africa, especially in the extreme west (up to 40%)…” (Figure 1)
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“… almost all countries except South Africa will probably experience a significant reduction in stream flow.”
• “Northern and southern Africa, however, are expected to have [agricultural] losses of 0.4 to 1.3%
