Water & Carbon - Climate Change and Land Use Quiz

What does the Intergovernmental Panel on Climate Change (IPCC) estimate about land use change?

• It reduces carbon emissions by 1.6 Gt per year.

• It contributes a net 1.6 Gt carbon per year to the atmosphere.

• It has no impact on carbon emissions.

• It increases carbon storage by 1.6 Gt per year.

Which of the following is a result of deforestation?

• Increase in photosynthesis

• Decrease in CO2 concentration

• Transfer of CO2 from biosphere to atmosphere

• Increase in forest area

What is the local name for the practice of burning forest to clear scrub in Madagascar?

• Tavi

• Tavioka

• Tava

• Taviya

How much of Madagascar's rainforest has disappeared due to deforestation?

• 10%

• 95%

• 50%

• 80%

What is a positive change for CO2 balance mentioned in the document?

• Urbanisation

• Deforestation

• Afforestation

• Cement production

How does urbanisation affect carbon stores?

• Increases vegetation cover

• Reduces demand for energy

• Increases demand for energy and cement

• Decreases CO2 emissions

What is one of the largest single sources of man-made carbon dioxide other than fossil fuel use?

• Deforestation

• Cement production

• Urbanisation

• Afforestation

What happens when calcium carbonate is heated in cement production?

• It absorbs carbon dioxide.

• It releases carbon dioxide as a major by-product.

• It remains unchanged.

• It reduces carbon emissions.

What adds to the release of CO2 in cement production?

• Low processing temperatures

• High processing temperatures

• No processing required

• Cooling processes

Which of these is a type of land-use change that impacts the carbon cycle? (tick all that apply)

• Urbanisation

• Afforestation

• Conversion to permanent croplands

• Deforestation