Key Facts About Climate Change
Part of Climate Change · GCSE GCSE Chemistry revision
This key facts covers Key Facts About Climate Change within Climate Change for GCSE Chemistry. Revise Climate Change in Atmosphere for GCSE Chemistry with 20 exam-style questions and 15 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 5 of 17 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 5 of 17
Practice
20 questions
Recall
15 flashcards
📊 Key Facts About Climate Change
- Global average temperature has risen by 1.1°C since pre-industrial times
- CO₂ levels have increased from 280 ppm to over 420 ppm since 1880 (50% increase)
- Weather = short-term conditions (hours/days); Climate = long-term averages (30+ years)
- Sea levels have risen 23 cm since 1880 due to thermal expansion and ice melt
- Arctic sea ice is declining by 13% per decade
- Main human cause: enhanced greenhouse effect from burning fossil fuels
- Fossil fuel burning accounts for ~75% of human CO₂ emissions
- Deforestation contributes ~11% of global CO₂ emissions
Keep building this topic
Read this section alongside the surrounding pages in Climate Change. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Climate Change
Which statement correctly describes the difference between weather and climate?
Explain three consequences of climate change for the environment or human populations. [3 marks]
Quick Recall Flashcards
20 questions on Climate Change — practise free
Instant marking, adaptive difficulty, and 15 spaced repetition flashcards. Free until your GCSEs.
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