The Hindu Science Quiz Climate facts
1 / 5 |
In climate change discussions people often mention the need to avoid temperature increase above 1.5 degrees Celsius. What is the actual significance of the measure 1.5 degrees Celsius? It is a measure of heating.
- Above present mean of the earth
- Above pre-industrial levels
- Above present value at the equator
- Above the mean in year 2000
The IPCC uses the temperatures observed in the period 1850-1900 – which was before the industrial revolution – as a standard above which the heating is measured.
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2 / 5 |
Which of the following is not a short-lived climate forcer (SLCF)? SLCFs are so called because they can influence climate even despite having a short lifetime.
- Aerosol and particulate matter
- Carbon dioxide
- Methane
- Carbon monoxide
In fact, the others are referred to as being short lived with respect to carbon dioxide.
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3 / 5 |
What percentage of all water on earth is terrestrial freshwater?
96.6% is saline ocean water and remaining is made of saline groundwater and saline lake water.
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4 / 5 |
Which of the following is not a Green house gas, butu also contributes to global warming?
- Carbon dioxide
- Methane
- Carbon monoxide
- Nitrous oxide
It is a short-lived driver of climate change.
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5 / 5 |
Which of the following has not appreciably changed since 1979 due to climate change?
- Global mean temperatures
- Mean sea levels
- Arctic sea ice cover
- Antarctic sea ice area
This has not appreciably decreased, whereas the Arctic ice cover is at the lowest value since 1850.
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