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water polution

introduction of unwanted agents into water that lower its quality

desertification

the gradual transformation of habitable land into desert

sub saharan africa

The region south of the Sahara Desert in Africa; includes some of the world's richest deposits of minerals, yet still remains one of the largest regions of undeveloped natural resources in the world.

desertification

the gradual transformation of habitable land into desert

sahel

a strip of land that divides the desert from wetter areas

rainforest

a forest with heavy annual rainfall

specialization

the special line of work you have adopted as your career

human capital

the skills and knowledge gained by a worker through education and experience

entrepreneurship

the process of getting into and operating one's own business

economic development

The improvement of living standards by economic growth.

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