Climate change: Test your knowledge on our planet’s biggest challenge

Questions

1. What is climate change primarily caused by?
   a) Natural weather patterns
   b) Human activities, especially the burning of fossil fuels
   c) The Earth’s orbit changes
   d) Volcanic eruptions
2. Which greenhouse gas is the most abundant in Earth’s atmosphere?
   a) Carbon dioxide (CO₂)
   b) Methane (CH₄)
   c) Nitrous oxide (N₂O)
   d) Water vapor
3. What international agreement aims to limit global temperature rise to below 2°C above pre-industrial levels?
   a) The Kyoto Protocol
   b) The Paris Agreement
   c) The Montreal Protocol
   d) The Geneva Convention
4. Which of the following is a primary effect of climate change?
   a) Increased snowfall worldwide
   b) Rising sea levels and more frequent extreme weather events
   c) Decrease in global average temperatures
   d) Reduction in greenhouse gases in the atmosphere
5. Which sector is the largest contributor to global greenhouse gas emissions?
   a) Agriculture
   b) Transportation
   c) Energy production (especially electricity and heat production)
   d) Deforestation
6. What is “global warming”?
   a) The increase in Earth’s average surface temperature due to greenhouse gases
   b) A temporary increase in local temperatures during summer
   c) The natural cycle of Earth’s temperature fluctuations
   d) An increase in ocean salinity
7. Which renewable energy source is considered to have the lowest environmental impact?
   a) Coal
   b) Natural gas
   c) Solar power
   d) Oil
8. What can individuals do to help combat climate change?
   a) Reduce energy consumption and use renewable energy
   b) Plant more trees
   c) Reduce waste and recycle
   d) All of the above
9. Which of the following is NOT a consequence of melting polar ice caps?
   a) Rising sea levels
   b) Loss of habitat for polar species
   c) Increased freshwater availability worldwide
   d) Changes in ocean currents
10. Why is biodiversity important in the context of climate change?
    a) It helps stabilize ecosystems that can mitigate some climate impacts
    b) It has no relation to climate change
    c) It increases greenhouse gas emissions
    d) It only affects tropical regions

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Answers

1. b) Human activities, especially the burning of fossil fuels
2. a) Carbon dioxide (CO₂)
3. b) The Paris Agreement
4. b) Rising sea levels and more frequent extreme weather events
5. c) Energy production (especially electricity and heat production)
6. a) The increase in Earth’s average surface temperature due to greenhouse gases
7. c) Solar power
8. d) All of the above
9. c) Increased freshwater availability worldwide
10. a) It helps stabilize ecosystems that can mitigate some climate impacts