Lost Girls

Lost girls is set on a hotter dryer Earth, sometime in the next century. Gumtu is a professor of philosophical history at McMurdo University, Antarctica. Taking a sabbatical to think about the meaning of truth during the Infernocene and do a little mining, he is inadvertently pulled into a conspiracy to change the Earth back to the Holocene.
The conspirators insert themselves four hundred years into his past during the Bathurst Rebellion of 1830. Not to change the present 22nd Century, but to enable them to control humanity.
Gumtu and his companions must discover the truth and save humanity and maybe the planet if they can.