Africa: Environmental Issues

3. wastes produced by agriculture, household use, industry and manufacturing, oil spills, human waste, storm water runoff, and mining.
7. System of bringing water from rivers to fields to water crops
12. Chemicals that kill pests that destroy crops
13. Things done to promote cleanliness and good health
15. how population is spread out in an area
16. A sector that produces goods and services within an economy
20. Conversion of forests to agricultural land to feed people and cattle, logging, poor soil
22. a long period without rain
23. water that flows over the ground surface rather than soaking into the ground
25. the cutting down of trees for commercial (business) purposes
26. farming
27. Occurs when farmers grow food and crops to feed themselves and their families

1. The process of livestock feeding too much on grasslands (either too many animals or not enough time between eating/grazing)
2. poor farming practices, deforestation, overgrazing, deforestation, erosion, depletion of surface and ground water, drought
4. geographically, the area of the continent of Africa that lies south of the Sahara Desert
5. completely surrounded by land with no direct access to the ocean
6. While Northern Africa has 92% safe water coverage, Sub-Saharan Africa remains at a low 60% of coverage- leaving 40% of the 783 million people in that region with out access to clean drinking water. Some of these differences in clean water availability can be attributed to Africa's extreme climates.
8. Limited quantities of resources to meet unlimited wants. Not enough resources for everyone.
9. drinking, cooking, hygiene, cleaning, and industry
10. Trash or chemicals that are thrown in water from human activities
11. using up the supply or resources of
14. The number of individuals in an area of a specific size
17. cutting down trees
18. Process of how a desert expands
19. farm animals
21. Water this is safe to drink or use
24. A form of agriculture in which areas are cleared by cutting and burning