The evidence is clear: Africa is experiencing the powerful impact of climate change. Weather patterns are changing, resulting in more droughts and floods, and higher air and water temperatures. Glaciers on the famous Rwenzori mountains, long fabled as the Mountains of the Moon, have shrunk by half since the late 1980s – symbolic of more profound changes taking place.
The effects on people, particularly the poor, are severe. Farmers, pastoralists, fishing communities and town dwellers are vulnerable to changes in water availability and agricultural productivity. As yields drop, people need other sources of income to meet their basic needs. A warmer climate increases the risk of vector-borne diseases such as malaria. Even if the temperature rise can be kept within the 2C band, an additional 40-60 million Africans are likely to be exposed. Economic necessity and competition for resources are already resulting in mass movement of people within countries and across borders, heightened social tension and, in many cases, violence.
The economic implications are enormous. Receipts from agricultural activities, which account for over half the jobs and GDP in many African countries, may decline sharply. And just as national revenues are strained, demand for public expenditure will increase.
African ministers of finance are meeting in Rwanda next week to craft a response to climate change. They are central to finding a solution, for climate change cannot be treated as a sectoral issue. It is fundamental to the success of economic growth and achievement of the millennium development goals.
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