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Questions and Answers
What is the present concentration of CO2 in our atmosphere?
What is the present concentration of CO2 in our atmosphere?
There is widespread agreement that to minimize the amount of catastrophic damage due to climate change, the total amount of warming of the Earth's surface since the onset of the Industrial Revolution must be kept to ≤1.5°C. Given current trends in fossil fuels burning and energy policies of industrialized countries, what is the more likely amount of total global warming that will occur in this century?
There is widespread agreement that to minimize the amount of catastrophic damage due to climate change, the total amount of warming of the Earth's surface since the onset of the Industrial Revolution must be kept to ≤1.5°C. Given current trends in fossil fuels burning and energy policies of industrialized countries, what is the more likely amount of total global warming that will occur in this century?
Which one of the following statements best describes how the present-day concentration of CO2 in the atmosphere compares to the past before the accelerated use of fossil-fuels?
Which one of the following statements best describes how the present-day concentration of CO2 in the atmosphere compares to the past before the accelerated use of fossil-fuels?
Which one of the following is not a reason why extreme precipitation events have been increasing in both frequency and intensity over the past 3 decades?
Which one of the following is not a reason why extreme precipitation events have been increasing in both frequency and intensity over the past 3 decades?
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That is, given the amount of CO2 that has been added to the atmosphere since the 1860s, higher temperatures would be expected. Which one of the following conditions has maintained the warming at this level and prevented a higher level of warming?
That is, given the amount of CO2 that has been added to the atmosphere since the 1860s, higher temperatures would be expected. Which one of the following conditions has maintained the warming at this level and prevented a higher level of warming?
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Which one of the following best explains why climate change that is happening now appears to be unprecedented in Earth history when compared to past times of major climate change?
Which one of the following best explains why climate change that is happening now appears to be unprecedented in Earth history when compared to past times of major climate change?
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Study Notes
Quiz Questions
- Present CO2 concentration in the atmosphere: 417 parts per million
- Likely amount of total global warming this century: between 1.5°C and 2.0°C
- Present-day CO2 concentration compared to the past: higher than any time in the past 14 million years
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Description
This quiz focuses on the current trends in climate change, highlighting key statistics such as CO2 concentrations and projected global warming for this century. Test your knowledge on how today's figures compare with historical data regarding atmospheric CO2 levels.
