Original sentence: Four "sisters," clones of a Balkan war criminal who is exiled to a space station, may be able to rescue the earth from environmental collapse in the year 2060
Edited sentence: Four "sisters," clones of a Balkan war criminal who is exiled to a space station, may be able to rescue the earth from environmental collapse (see Environmental degradation, ecological collapse, pollution, and other related concepts)  in the year 2060.One of the novel's locations is the Croatian island Mljet