Exploring the Albedo Effect and Its Impact on Climate Change

What is the albedo effect?

• The process of absorbing sunlight

• The reflection of sunlight by Earth's surface

• The melting of polar ice caps

• The trapping of heat by greenhouse gases

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How much of the sun's rays do snow and ice at Earth's poles reflect?

• 50%

• 65%

• 95%

• 85%

What is causing the earlier melting and later freezing of Arctic ice?

• Natural climate cycles

• Changes in ocean currents

• Human-caused emissions of heat-trapping gases

• Increased volcanic activity

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What percentage of sunlight does the open ocean absorb?

• 70%

• 50%

• 90%

• 85%

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When did scientists begin taking reliable measurements of Arctic sea ice?

• 1950s

• 1960s

• 1970s

• 1980s

By how much has the volume of Arctic sea ice decreased in the past 40 years?

• 50%

• 90%

• 25%

• 75%

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What percentage of global warming is attributed to the loss of sea ice and snow cover?

• 25%

• 50%

• 10%

• 40%

What is the potential rise in sea levels if both Greenland and Antarctica's glacial ice shelves were to melt?

• 10 feet

• 100 feet

• 50 feet

• 200 feet

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What is one of the most important actions citizens can take to address climate change?

• Reduce water usage

• Recycle more

• Plant more trees

• Educate themselves and vote for responsible politicians

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What is the ultimate goal of cutting emissions, stopping deforestation, and regreening the Earth?

• To increase fossil fuel usage

• To reduce ocean levels

• To slow, halt, or reverse the feedback loop

• To increase global temperatures

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