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13 cards from this deck
Land becoming drier, more desert-like & less productive
A third
The Sahel (below Sahara Desert)
Reduces rainfall in already dry areas
More water evaporates from land & plants
Cattle eat plants faster than regrowth; soil erosion results
Continuous cropping uses up all soil nutrients; plants can't grow
Salts drawn to surface by evaporation; toxic to plants
Tree roots hold soil together, reduce erosion
Growing trees amongst crops
Store water in wet season, irrigate crops in dry season
Hold water on soil, prevent it running off surface
Use sun's energy to cook, not fuel wood
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