Climate Change

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

• atmospheric carbon dioxide levels have been decreasing since 1960
• 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 1960

Which of the following have been changed or altered due to climate change ?

• droughts

• flooding

• melting of polar ice caps

• all of the above

 What is the greenhouse effect?

• The warming of a planet due to trapped radiation.
• The cooling of Earth due to air pollution.
• The heating of a solid, such as a rock.

The amount of carbon dioxide CO₂ in the atmosphere is decreasing. 

• True
• False

Possible human solutions for limiting global warming and climate change are...

• being more energy-efficient

• using renewable sources of energy

• removing carbon from fossil fuel emissions

• all of the above

Which is a natural source of greenhouse gases?

• aerosols
• deforestation
• volcanic eruptions
• burning fossil fuels

Which of the following is contributing to an increase in carbon dioxide in the atmosphere?

• deforestation
• photosynthesis
• oceans
• all of the above

Things you can do to help decrease global warming include:

• Eat more ice cream.
• Keep your freezer door open.
• Keep your air conditioner on high.
• Turn off your lights when you’re not using them.

Which of the following is an example of a greenhouse gas?

• Carbon Dioxide
• Nitrogen
• Oxygen
• Neon

It is the gradual increase in the overall temperature of the earth's atmosphere generally attributed to the greenhouse effect caused by increased levels of carbon dioxide, chlorofluorocarbons, and other pollutants. What is it?

• A. climate change

• B. global warming

• C. Pollution

• D. El Nino