Phil in SF commented on Blackfish City by Sam J. Miller
After the climate wars, a floating city is constructed in the Arctic Circle, a remarkable …
I have now created a list with all the Campbell Memorial Award winners (on SFBA.club here), this book being the last of them. Until I started this, I hadn't realized the organizers shut down the award after the 2019 winners.
On SFBA.club, all the books have hi-res covers and descriptions. On other servers, your mileage may vary. Gonna start doing some lists of Edgar Award winners next.