IGCSE Geography / Fragile environments and climate change

Technology and water in drylands revision notes

Edexcel International GCSE Geography (4GE1), chapter 7: Fragile environments and climate change, specification point 7.3a. Part of the full course.

Watch the video lesson · IGCSE Geography past papers

Technology can help people in drylands catch rain, store water or use it more efficiently. Low-cost methods often suit low-income countries, while higher technology can provide water on a much larger scale.

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 desertification
• The impacts of deforestation
• How climate change is damaging fragile environments
• How climate change is affecting people
• 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