The document discusses global warming and greenhouse gases. It explains that water vapor is the largest contributor to the greenhouse effect, accounting for 36-72% of the effect. It also discusses the relationship between population, carbon emissions, and rising global temperatures. The top five greenhouse gases are identified as water vapor, carbon dioxide, methane, nitrous oxide, and ozone. The effects of climate change are described as more severe droughts, storms, floods, wildfires, and rising sea levels.

3. Summarise what the Greenhouse Effect is:

9. Top 5 Greenhouse Gases

10. Gas Formula Contribution (%) Water Vapor H 2 O 36 – 72 % Carbon Dioxide CO 2 9 – 26 % Methane CH 4 4 – 9 % Ozone O 3 3 – 7 %

17. Human Induced Global Warming

18. Greenhouse Gas Emissions Per Captia

22. Top-5 emitters for the year 2005 Country or region % of global total annual emissions Tonnes of GHG per capita United States a 16 % 24.1 Indonesia c 6 % 12.9 European Union -27 a 11 % 10.6 China b 17 % 5.8 India 5 % 2.1