Did you know? Diameter of Neptune (49,200 km) is 25 x Length of the Tigris River (1,950 km)
Estimated remaining economically recoverable oil reserves (240 trillion L)
/fact/estimated-remaining-economically-recoverable-oil-reserves
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Yes, there's now a book based on these numbers. Oxford University Press: July 2018.
Click here to learn more about it.
Click here for Podcast: Andrew Elliott interviewed for New Books Network.
