Human Impact and Climate change

Which title supports this graph?

• Renewable energy is getting cheaper

• The vast majority of scientists agree humans are causing global warming

• Sea levels are rising

• Global temperatures are rising

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Which title supports the graph?

• Renewable energy is getting cheaper

• The vast majority of scientists agree humans are causing global warming

• Sea levels are rising

• Arctic ice caps are melting

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Which title supports the graph?

• The Paris Agreement could make a huge difference to world temperatures

• China and the USA are responsible for the most carbon emissions

• Taxpayers are subsidising fossil fuels

• Sea levels are rising

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What are greenhouse gases?

• gases that cause climate change
• gases that emit green smoke
• gases that are used to make green colored glass

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The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?

• lower levels of ozone in the atmosphere
• lower levels of nitrogen in the atmosphere
• higher levels of carbon dioxide in the atmosphere
• higher levels of oxygen in the atmosphere

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Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1970

• Hawaii has a lot of carbon dioxide

• humans have been working hard to decrease carbon dioxide levels

• atmospheric carbon dioxide levels have increased steadily since 1970's

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Which of the following gases DOES NOT trap heat?

• carbon dioxide
• nitrogen
• water vapor
• methane

Which is a primary energy source used by power plants to generate electricity?

• coal
• wood
• gasoline
• batteries

Which of the following have been linked to climate change?  

• droughts
• flooding
• melting of polar ice caps
• all of the above

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Changes in temperature are expected to be greatest

• near the equator
• near the poles
• between the equator and the North Pole
• between the equator and the South Pole

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