Did you know?
Mass of water in Lake Geneva (89 trillion kg) is 250 x Mass of all the humans on Earth (358 billion kg)
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Forest in Slovakia (2011) (19,710 km^2)
If this was a standard unit ...
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.