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The increase in desertification in these regions has degraded the land to such an extent where people can no longer productively farm and make a profit. This has negatively impacted the economy and increased poverty rates. [39] There is, however, increased global advocacy e.g. the UN SDG 15 [40] to combat desertification and restore affected lands.
Desertification has substantial economic consequences in Africa, particularly in places where agriculture and natural resource utilization are the predominant sources of revenue. Desertification reduces crop yields, causes food shortages, and increases poverty in impacted populations by destroying fertile land and water supplies.
Ninety percent of Africa's population requires wood to use as fuel for heating and cooking. As a result, forested areas are decreasing daily, as for example, in the region of equatorial evergreen forests. According to the United Nations Environment Programme, Africa's desertification rate is twice that of the world's. [4] Deforestation of ...
The research themes of the year, set out in 10 science prospectuses were chosen for their societal relevance, multidisciplinarity and outreach potential. The Year has 12 Founding Partners 23 Associate Partners and is backed politically by 97 countries representing 87% of the world’s population.
The full title of Target 15.3 is: "By 2030, combat desertification, restore degraded land and soil, including land affected by desertification, drought and floods, and strive to achieve a land degradation-neutral world." [23]
Desertification is one of the issues of environmental concern in Nigeria, particularly the northern part of the country. According to UNEP [4] in 1993, Northern Nigeria has one of the highest rates of deforestation in the world at about 3.5%, caused by land degradation, increase in agricultural intensity, over-grazing of livestock, and demand for fuel by cutting down trees.
Africa's population is notably the fastest growing in the world. It is expected to increase by roughly 50% over the next 18 years, growing from 1.2 billion people today to over 1.8 billion in 2035. In fact, Africa will account for nearly half of global population growth over the next two decades. [ 24 ]
The rapid expansion of the global human population is increasing the world's food requirement substantially. Simple logic dictates that more people will require more food. In fact, as the world's population increases dramatically, agricultural output will need to increase by at least 50%, over the next 30 years. [56]