Climate change examples

What percentage of the atmosphere is composed of nitrogen?

• 21%

• 78%

• 1%

• 0.04%

How much of the atmosphere is compressed within 40 km of Earth's surface?

• 50%

• 75%

• 99%

• 25%

Which of the following is NOT a component of the daytime energy budget?

• Incoming solar radiation

• Reflected solar radiation

• Latent heat transfer

• Magnetic field transfer

The natural greenhouse effect keeps the Earth's global average temperature at:

• 0°C

• 15°C

• -18°C

• 30°C

Which greenhouse gas accounts for about 95% of greenhouse gases by volume?

• Carbon dioxide

• Methane

• Water vapour

• Nitrous oxide

How much have carbon dioxide levels risen since 1950?

• From 215 to 421 ppm

• From 315 to over 421 ppm

• From 415 to 421 ppm

• From 200 to 315 ppm

Methane is approximately how many times more potent than CO2 at warming the climate?

• 10 times

• 15 times

• 28 times

• 50 times

Which region had the highest greenhouse gas emissions in 2021?

• Europe

• North America

• Asia

• Africa

Greenland and Antarctica lost how many trillion tons of ice between 1992 and 2017?

• 4.2

• 5.6

• 6.4

• 7.1

How many people could potentially be displaced globally by 2050 due to climate change?

• 500 million

• 750 million

• 1.2 billion

• 2 million