Carbon intensity measures the carbon emissions per unit of economic activity. Which country has the highest carbon intensity?
A. Japan
B. China
C. Sweden
D. France
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When and where did the Industrial Revolution begin?
A. 1492 in the Spain
B. 1750s in Great Britain
C. 1960s in the United States
D. 2000 worldwide
What approximate percentage of the global population lives in cities?
A. 20%
B. 35%
C. 50%
D. 70%
How does atmospheric carbon dioxide affect the Earth’s climate?
A. It decays radioactively and produces heat
B. It reflects solar radiation releasing more heat to the Earth´s atmosphere
C. It captures more solar radiation trapping in heat in the Earth´s atmosphere
D. It changes the colour of the atmosphere
How old is the Earth?
A. 1 billion years
B. 180 000 years
C. 4.5 billion years
D. 3 million years
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