February 23, 2013

World Distribution of Carbon Reserves

The Carbontracker report from which this table comes, Unburnable Carbon notes that the figures are based on proven reserves (those which have a 90% certainty of being extracted). It excludes probable reserves (which have a 50% chance of being extracted) and possible reserves (with a 10% chance.) Later, Carbontracker provides the following figure showing that BP's unproven reserves are much larger than its proven reserves. In the text it says that BP's unproven reserves are at 35 years, whereas in the figure it puts the amount at 38 years, but in any case the report suggests that the amounts of probable and possible reserves are much larger (perhaps nearly 3 times) than the proved reserves listed in the above table.

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