Climate change: Is your opinion informed by science? Take our quiz!

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Climate change has become a politically-charged, divisive issue, but the underlying science is relatively simple and has been around for more than 150 years. Do you know what causes global warming?

By , Staff writer

1. What is the most abundant greenhouse gas in the atmosphere?

Water vapor is the most abundant greenhouse gas in the atmosphere, but temperature determines the amount of water vapor the atmosphere can hold. Carbon dioxide plays a key role in regulating long-term temperature trends. Scientists are concerned about rising CO2 levels, which have been increasing since the Industrial Revolution as humans burn coal, oil, and gas.

Water vapor is the most abundant greenhouse gas in the atmosphere, but temperature determines the amount of water vapor the atmosphere can hold. Carbon dioxide plays a key role in regulating long-term temperature trends. Scientists are concerned about rising CO2 levels, which have been increasing since the Industrial Revolution as humans burn coal, oil, and gas.

Water vapor is the most abundant greenhouse gas in the atmosphere, but temperature determines the amount of water vapor the atmosphere can hold. Carbon dioxide plays a key role in regulating long-term temperature trends. Scientists are concerned about rising CO2 levels, which have been increasing since the Industrial Revolution as humans burn coal, oil, and gas.

Water vapor is the most abundant greenhouse gas in the atmosphere, but temperature determines the amount of water vapor the atmosphere can hold. Carbon dioxide plays a key role in regulating long-term temperature trends. Scientists are concerned about rising CO2 levels, which have been increasing since the Industrial Revolution as humans burn coal, oil, and gas.

Carbon dioxide

 

Methane

 

Water vapor

 

Oxygen

 
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