Global climate change
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The big picture

The big picture

Concept map showing human activities increasing carbon dioxide and methane, leading to an enhanced greenhouse effect, higher average global temperature and four climate change effects Greenhouse gases such as carbon dioxide and methane absorb some infrared radiation leaving Earth and re-radiate some of it back toward the surface. Human activities have increased these gases, so the natural greenhouse effect is being strengthened.

Global climate change Lesson

  1. GCSE
  2. /Chemistry
  3. /Global climate change