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Introduction
The global cycles
Soil functions
The soils on earth
Threats to world soils
Soil erosion
Desertification
Acid rain
Fertilisers
Pollutants
Deforestation
Impacts on biodiversity
Climate change
Salinisation
Loss of organic matter
Acidification
Compaction
Building on soil
Concerns for the future
What else
Case Studies
Activities
Teachers
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The Soil-Net project is available at its homepage at
http://www.soil-net.com/
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