Future Earth - Urban ruins with Grey Owls

Location North America 2120 A.D. Mean atmospheric O₂ 21% of all gases* Mean atmospheric CO₂ 2x above current level* Mean temperature 5°C above current level*		Geologic Time Scale Eon: Undefined Era: Undefined Period: Undefined Epoch: Undefined Age: Undefined

*Estimated	Urban ruins with Grey Owls A light urban environment as it may appear after having been abandoned to the elements for a century or so. In the foreground is a pair of owls of the species Strix nebulosa, known as Great Grey Owls.