Tundras are extremely cold, have low biotic diversity, and have simple vegetation.
Types of farming include subsistence farming, mixed farming, nomadic herding, commercial plantation, livestock rearing, etc.
<span>The
causes of environmental problems in Sub-Saharan Africa are deforestation,
development, and increased population. As the country is aiming for development,
its environmental status is impaired. Increasing population resulted to
migration to higher urban or rural areas, and continuous land cultivation which
eventually caused deforestation and dilapidation.</span>
63 percent of total Sub-Saharan population live in rural areas, whereas 74 per cent of all EU-citizens live in urban areas and 26 per cent in the countryside.