Climate Change Quiz

What is the main cause of the increase in carbon dioxide emissions?

• Industrial pollution

• Deforestation

• Burning fossil fuels

• Volcanic activity

How much have carbon dioxide emissions from human activity increased since 1950?

• 200%

• 100%

• 300%

• 400%

What is the current temperature increase caused by human activities?

• 1.5 degrees Fahrenheit

• 3 degrees Fahrenheit

• 4.5 degrees Fahrenheit

• 2.07 degrees Fahrenheit

What is the main natural cause of wildfires?

• Tornadoes

• Volcanic eruptions

• Lightning

• Earthquakes

How long has Earth's climate been stable and mild?

• 100,000 years

• 10,000 years

• 1,000 years

• 100 years

What was the average global temperature during the extreme warming period 55 million years ago?

• 50°F

• 60°F

• 70°F

• 80°F

How many ice ages have occurred in Earth's history?

• 3

• 7

• 1

• 5

What is the main reason for the lengthening of the wildfire season?

• Deforestation

• Increased lightning strikes

• Global warming

• Volcanic activity

What is the main effect of global warming on snow cover and sea ice?

• Decreased snow cover and sea ice

• Increased snow cover and sea ice

• No effect on snow cover, decreased sea ice

• No effect on sea ice, decreased snow cover

What is the main effect of global warming on rainfall?

• Decreased variability

• Increased variability

• Shift in patterns

• No effect