Food, Glorious Food!

The consequences.... ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Environmental consequences ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Desertification Desertification is the process where productive land turns into desert. The processes of overcultivation, overgrazing and groundwater depletion are key

What causes desertification? More people More food More livestock More crops grown Soil erosion Overgrazing Over cultivation Desertification Vegetation destroyed Copy down the flow diagram Question: Explain how an increase in population can cause desertification?

What causes desertification? More people More food More livestock More crops grown Soil erosion Overgrazing Over cultivation Desertification Vegetation destroyed

Overcultivation ,[object Object],[object Object],[object Object]

Overgrazing ,[object Object],[object Object],[object Object]

Monocultures ,[object Object],[object Object],[object Object],[object Object]

Carbon Dioxide ,[object Object],[object Object],[object Object],[object Object]

Food Miles ,[object Object],[object Object],[object Object]

Irrigation ,[object Object],[object Object]

Salinisation ,[object Object],[object Object],[object Object]

Political issues ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Social issues ,[object Object],[object Object],[object Object],[object Object]

Cash Crops ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Green Revolution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Food, Glorious Food!

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Food, Glorious Food!