Did you know?
Length of the Mississippi River (3,730 km) is 20 x Length of the M25 Orbital motorway around London (188 km)
Tweet this comparison
Forest in United States (2011) (3.27 km^2)
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.