IGCSE Geography / Fragile environments and climate change

The impacts of desertification revision notes

Edexcel International GCSE Geography (4GE1), chapter 7: Fragile environments and climate change, specification point 7.2a. Part of the full course.

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Desertification reduces the soil and vegetation in dry areas, setting off effects that can reach people, economies and the places migrants move to. Knowing how these impacts link, and how to sort them into groups, helps you explain them clearly using evidence from the Sahel.

More lessons in Fragile environments and climate change

• Fragile environments
• What causes desertification
• Case study: desertification of the Sahel
• What causes deforestation
• Natural causes of climate change
• The enhanced greenhouse effect
• The impacts of deforestation
• How climate change is damaging fragile environments
• How climate change is affecting people
• Technology and water in drylands
• Managing rainforests sustainably
• Case study: conserving Brazil's rainforest
• Responding to climate change
• Case study: the UK's response to climate change
• Case study: China's response to climate change
• Case study: the Solomon Islands and rising seas