How long will our oil last?

GIVEN that the Earth’s endowment of oil is about 3 trillion barrels AND

GIVEN that current production is 85 million barrels a day

IF world consumption remains at this level

CALCULATE how many years we can continue to use oil.

Further work

GIVEN that the world population is 6.7 billion in 2010

IF world population rises to 9 billion by 2050

DRAW A GRAPH of the reduction in world oil use per capita 2010 to 2030

GIVEN that EU plans to be oil free by 2050

DRAW the EU reduction curve on the same graph as above.



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