Climate change and human activities

12 questions

1. What are carbon dioxide emissions?
2. What proportion of Earth’s atmosphere is made of carbon dioxide gas?
3. How has human activity changed the amount of carbon dioxide in the atmosphere?
4. Some gases in the atmosphere keep the Earth’s surface warmer than it would be without them. What is this effect called?
5. What is global warming?
6. Which statement best describes who believes global warming is caused by human activity?
7. Match the words about climate change to the correct definitions.
8. What is climate change?
9. How does global warming affect the average temperature in different places?
10. How does global warming affect the frequency of extreme weather events?
11. What does the **Yale Program on Climate Change Communication** say about climate change?
12. How could someone working in an office help reduce greenhouse gas emissions?

License: OGL