How could climate change affect polar regions?
It is believed that the burning of fossil fuels causes a build-up of gases in the world's atmosphere called:
How do plants affect the carbon dioxide levels in the atmosphere?
Which of the following groups of gases are all greenhouse gases? There are three correct answers.

Why are China and India's carbon dioxide emissions increasing? (Select all that apply)
Which of these factors most contributes to current climate change?
Scientists argue that the concentration of greenhouse gases in the atmosphere is:
Which of the following is NOT a naturally occurring greenhouse gas?
How does the greenhouse effect work?
Which area of the United States economy produces the most greenhouse gas emissions?
Use this diagram to answer questions 13-15:
Atmospheric carbon dioxide is a greenhouse gas that absorbs thermal energy, resulting in an increase in air temperature. An increase in the amount of carbon dioxide in the atmosphere causes a feedback loop that stresses coral reef ecosystems by causing seawater temperature to increase.
A student created the following model to represent this feedback loop:
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What type of feedback does the model represent?
As the air temperature increases over time, the amount of sea ice melting will
The diagram below indicates the amoung of solar radiation that is reflected by equal areas of various materials on Earth's surface.

Which material has the highest albedo?