What do the figures “3-6-9" mean?(Please select one answer)
A. 3 years left to peak our global carbon emissions – 6 polar bears left in the Arctic – 9 people whose responsibility it is to change the world
B. 3° Celsius warming this century – the 6th mass extinction of species – A world of 9 billion people by 2050
C. 3° Celsius warming by 2050 – the 6th largest extinction of species – A world of 9 billion people by 2050
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Which was the most important human invention during the Holocene, paving the way for the Anthropocene?(Please select one answer)
A. Cars
B. Hunting
C. Agriculture
How much did the average temperature vary during the Holocene?(Please select one answer)
A. +/- 2 degrees Celsius
B. +/- 1 degree Celsius
C. +/- 4 degrees Celsius
What is so special about the Holocene?(Please select one answer)
A. The Holocene was a period of intense struggle when humanity almost became extinct due to extreme weather events
B. Compared to paleo-climatic records of extreme variations in temperature, sea level and other indicators of environmental change, over the last 400,000 years, the Holocene (the last 100,000 years) was a period of unprecedented climatic stability
Compared to paleo-climatic records of extreme variations in temperature, sea level and other indicators of environmental change, over the last 100,000 years, the Holocene (the last 10,000 years) was a period of unprecedented climactic stability
What is the relationship between a natural resource use peak and the boundary value for a specific planetary boundary?(Please select one answer)
A. We have reached a peak for every single natural resource associated with planetary boundary processes
B. A peak in a natural resource use implies we have transgressed a planetary boundary and could be heading towards a tipping point
C. A peak in a natural resource use does not necessarily indicate whether we may be nearing a boundary value for a specific planetary boundary
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