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Global Warming
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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 |