Read e-book online Africa: Atlas of Our Changing Environment PDF

By United Nations

ISBN-10: 9280728717

ISBN-13: 9789280728712

This attractive 400-page Atlas is a distinct and robust e-book which brings to mild tales of environmental switch at greater than a hundred destinations unfold throughout each state in Africa. There are greater than three hundred satellite tv for pc pictures, three hundred flooring photos and a hundred and fifty maps, besides informative graphs and charts that provide a vibrant visible portrayal of Africa and its altering surroundings that supply clinical facts of the impression that traditional and human actions have had at the continents atmosphere during the last numerous a long time. The observations and measurements of environmental switch support gauge the level of development made through African international locations in the direction of achieving the United countries Millennium improvement ambitions. extra importantly, this e-book contributes to the data and knowing which are crucial for variation and remediation, and will be of big worth to all those that need to know extra approximately Africa and who care concerning the way forward for this continent.

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Extra info for Africa: Atlas of Our Changing Environment

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6 per cent, of its forests annually, with the greatest losses occurring in heavily forested countries (FAO 2005). Logging, land conversion to agriculture and settlements, wildfires, cutting for firewood and charcoal, and civil unrest are the primary causes of deforestation in Africa; many of these pressures are driven by population growth. N M i Stra Christian Lambercht/UNEP Picking tea leaves, Kenya Changes in Land Productivity Changes in land productivity may be positive (such as irrigating or fertilizing the soil) or negative (such as pollution or erosion).

This practice not only has economic implications in terms of wasted resources that could be used in energy generation, but is also a source of environmental degradation. Nigeria, however, has been gradually reducing the amount of gas flared, with the aim of stopping the practice altogether. S. National Oceanic and Atmospheric Administration (NOAA) over a period of 14 years. The composite satellite image (above) shows a reduction in gas flaring in Nigeria over 14 years. The year 2006 is in red, 2000 is in green and 1992 is in blue.

Between 80 and 90 per cent of Madagascar’s forests have been lost, putting an estimated 8 000 endemic species at risk. ibraltar Sea Converting forests to agricultural land is necessary for food production but such deforestation negatively impacts local ecosystems as habitats are lost. Deforestation also impacts the global carbon cycle; carbon released when trees are cut, burned, or as they decompose enters the atmosphere as CO2 and contributes to global warming (Willcocks 2002). Deforestation is a major reason for land degradation in Africa, especially when followed by over-cultivation and overgrazing (Slack 2002).

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Africa: Atlas of Our Changing Environment by United Nations

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