Richest ___ of people produce 50% of the carbon emissions on earth, as per an estimate by Oxfam.

a. 6%

b. 7%

c. 8%

d. 10%

ANSWER: 10%

Explanation:

Richest 10% of people produce half of the carbon emissions on earth, while the 50% poorest contribute a mere 10%, according to UK charity Oxfam. Richest 10% have carbon footprint which is 11 times that of poorest 3.5 billion persons on the planet. The biggest challenge facing climate change initiatives is funding for developing nations.