click below
click below
Normal Size Small Size show me how
Global Warming
etc etc
| Question | Answer |
|---|---|
| Name three greenhouse gases | carbon dioxide, methane and water vapour |
| How is carbon dioxide produced naturally? | volcanic eruptions,respiration of animals and burning organic matter |
| How does man produce carbon dioxide? | burning fossil fuels |
| How does man produce methane | rice paddies and cows |
| Where does water vapour come from | water cycle and industrial processes |
| How do greenhouse gases work? | absorb radiation in their bonds creating a vibrating molecule |
| What is the global warming potential? | abiltiy to cause GW lifetime in our atmosphere ability to absorb radiation |
| Indicators of GW | melting of the polar ice caps, tropical areas are experiencing more frequent storms and floods, glaciers disappearing, extreme heatwaves |
| Consequences of GW | drought conditions, river flooding, storms and hurricanes, sea ice melting, thermal expansion, longer growing seasons |
| What is the Kypoto Protocol? | Earth Summit 1992, 100+ countries signed in 1997 (not the USA) reduce emissions by 5% by 2012 |
| What is the EU's strategy? | 202020 vision, emissions reduced by 20%, 20% of energy will be renewable. 2007 |
| What alternative fuels are there to carbon. | HEP, wind, solar, nuclear |
| What is carbon capture and storage? | Storing underground in empty gas fields or reacting Co2 with metal oxides to form carbonates |