Biology › Section R · The biosphere, populations, and communities › Topic R.3
Climate and global climate change
Earth's climate has always changed, but the warming since the 1970s is faster than any in at least the last 2,000 years. Knowing what drives climate, how we read the past, and why people are causing today's warming is key to predicting what happens next to every biome.
In this topic
- Weather versus climate
- Reading past climates
- Natural drivers of climate
- The greenhouse effect
- The human fingerprint
- Worked example: reading the carbon dioxide record
- Ice, oceans and sea level
- Living things on the move
- Feedbacks that amplify warming
- Worked example: a mismatch in timing
- Common mistakes to avoid
- Key takeaways
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