Closing Down is a really interesting work of "cli-fi". Set in the near future, it imagines a world that is struggling with the effects of climate change, and the social, political and economic difficulties associated with it. Rather than a plot-driven novel, the story meanders, slow and steady as one of the three main characters on her nightly walks through town - she doesn't walk to get anywhere, specifically, but just to move and observe.
Likewise, the main focus of this novel is world-building and characters. There are three main characters, as well as the narrator who occasionally interacts with them. Robbie, a jet-setting journalist; Granna, his grandmother who has made the best of her privilege; and Clare, an unemployed battler who walks and watches. They don't really interact until about halfway through the book, and by then the reader has a good sense of who they all are.
For me, though, it was the dystopian future that held the most interest. Abbott has created a world where the north and west of Australia are being closed, forcibly and permanently evacuated. The towns and cities where people are being moved don't have the infrastructure to cope with the population influx. Around the world, weather extremes and food insecurity seem to be the norm. Millions of refugees flood to processing centres. Some choose to try their luck in a reality TV competition, which airs in Australia and presumably elsewhere in the world - viewers watch as refugees try to navigate boats through plastic-strewn and shark infested waters (at least the sharks have survived!) in order to keep their food rations for the week. A phone call to a Centrelink-like service, whose call centre is located underneath China, casually reveals that citizens no longer need to fill in forms; the government can track everywhere we go and everything we do through our phones anyways.
It is because this future is so based in our own, and seems plausible, that the novel is so unsettling and such a page-turner. It isn't all bleak - there are glimpses of escape:
"And that is the thing. It is hard to close things down. They have always tried, in different ways and using different means. Tried to close down a voice, a movement, a town, a country. But people find ways. They always have. Ghosts find ways too. They even find ways together."
I only wish that there were a few more answers regarding some of the stranger elements - the ghosts, the resistance movement, the walkers. While the ending does wrap up some plot elements rather neatly, I finish the book feeling in the dark about lots of what appeared within the pages.