Explain why the greenhouse effect is necessary but how an enhanced greenhouse effect can harm the planet.
Define global warming and explain what has caused the recent trend of warming that the earth is experiencing.
Explain why Earth's temperature is directly affected by the amount of greenhouse gases in the atmosphere.
Define carbon sequestration and explain how deep geologic burial of carbon works.
Describe the connection between fossil fuel burning, the melting of polar ice, and the rising of global sea levels.