Describes what you have learned about global warming and greenhouse gases.

DDISCUSSION POINTS ABOUT THE VIDEO ON GREENHOUSE GASES AND GLOBAL WARMING
• What are greenhouse gases? • What are the possible effects of greenhouse gases on the temperature of the Earth? • How do greenhouse gases “trap” infrared heat radiation but let heat radiation from the sun pass right through them? • What would be the average temperature of the earth if we had no greenhouse gases? • How is the amount of greenhouse gases in the Earth’s atmosphere regulated or recycled by nature? • How was the graph showing the amount of CO2 in Earth’s atmosphere for the last 1000 years was obtained? • Is Earth going to experience a “runaway” greenhouse effect? • What might be the effects of global warming if it is a real occurrence?
HOMEWORK NO. 5
Write a paper (typed, please) of at least 300 words that describes what you have learned about global warming and greenhouse gases. The paper should also make some practical suggestions about ways that engineers might reduce the volume of CO2 that is released into the atmosphere.
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