Written from the point of view of a young girl, (Sybil Chadwell) in diary form, it made me think of the poignant film W.A.L.L-e...as mankind has wrought havoc with his surroundings and moved on leaving his detritus behind.
Similarly we learn that Sybil's absentee father has gone to work on the Moon, leaving Sybil, her mother and brother behind to try to survive in a world almost like that in Total Recall.
Earth has become so polluted that inhabitants have to have 'gills' inserted in their throats to enable them to breathe the foetid air.
Tragically even the Bonsai oak tree Sybil's father brings her to look after, withers and dies soon after he leaves for probably the last time.
Is there any hope at all for Mankind or, as in the films above, will they have